10 Advantages of Lithium Polymer Battery for Common Users

Lithium polymer batteries have the same technology that is used by liquid lithium ion batteries. In other words, the anode and cathode are of the same type. The only difference is that these units use aluminum plastic film and gel electrolytes. Therefore, these power packs are thinner and lighter but offer a higher density of energy. In this article, we are going to talk about 10 advantages of these power packs. Read on to find out more.

1. High Energy Density

Compared to nickel-hydride or nickel-cadmium, lithium-polymer batteries are 50% lighter. But they have the same degree of energy density, which makes them an ideal choice.

2. Thin Design

Liquid lithium-ion battery features a customized shell and positive/negative electrodes. And then there is a technical limit that doesn't allow the batteries to be thinner than 3.6mm. On the other hand, the polymer cells don't have any such limitations. Therefore, the thickness of these units can below 1mm.

3. Low Internal Resistance

Unlike liquid batteries, the polymer type has less internal resistance. Therefore, these batteries can help extend the time your applications can stay on standby mode. So, this is another great advantage of these units.

4. Customizable Shape

Based on demand, polymer batteries can be made thicker or thinner. For instance, for special smartphones, manufacturers may require thinner batteries. This can help get the most out of the available space and still enjoy long backup.

5. Good Charge/Discharge Rate

If you use the right type of charger, you can recharge these units in just two hours. Basically, polymer batteries make use of colloidal electrolytes that have a stable discharge rate, unlike liquid electrolytes.

6. High Voltage

A lithium-polymer cell has an operating voltage of 3.7v on average, which is equal to three nickel-hydride or nickel-cadmium ones connected in series.

7. High Safety and Performance

The outer shell of these batteries is made of aluminum plastic. On the other hand, liquid lithium ones come with a metal shell. Because of the flexible packaging, the deformation of the outer shell won't cause the battery to stop working.

8. Long Cycle Life

In normal circumstances, a lithium polymer battery tends to charge and discharge more than 500 times. Therefore, you can enjoy long cycle life if you opt for these powerhouses.

9. No Pollution

Also, lithium-polymer units don't contain harmful metals like mercury, lead, or cadmium. Therefore, they don't cause pollution unlike other types of units.

10. No Memory Effect

Nickel-cadmium batteries tend to lose their discharge with the passage of time. On the other hand, lithium-polymer ones have no such problem. This is also called the memory effect. With time, the market share of these power packs is rising because of the list of advantages these batteries offer.

Also, these batteries are used in power tools and laptops as well. Therefore, these are becoming quite popular as time goes by.

Long story short, these are just 10 of the most common advantages of Lithium polymer battery packs. Hopefully, this article will help you get a deeper insight into these units.

Are you looking for a Custom Li-Polymer Battery? If so, we suggest that you try out a great collection of these units at https://www.ludabattery.com/.

Oznake: lipo battery

Lipo Battery Pack Tutorial

So you want to go lipo?

Well you have made the big choice and now you need to know where to start. Well, the first thing to look at is the condition on your gearbox. This is going to be one of those times where you have to be very truthful with yourself. Is this gearbox in the best shape it can be? When was the last time you shimmed the gearbox? When did you last grease the gearbox? If you have not taken the time to make sure you have no noise or play in your gears take that time now. You will pay later when a subtle oscillation turns into a spinning gear of death and takes out your AEG in the middle of sustained fire if you don't.

While you are in the gearbox there are some other things you should look at. What gauge and quality is your wiring? If you are not at 16 or 18 gauge wire then take the time now and change it so that you have a big enough and strong enough pipe to push the new sustained voltage.

The C rating of a lithium polymer battery denotes how much current you can draw out of a pack at a continuous rate. Example:

1600mah 10c battery 1600mah/10000mah = 1.6ah 1.6ah x 10c = 16 amps

1000mah 20C Pack 1000mah/1000mah = 1ah, 1ah x 20c = 20 Amps

1500mah 25C Battery 1500mah/1000mah = 1.5ah, 1.5ah x 25c = 37.5 Amps

So the higher your discharge rate (C Rating) the more amperes you can push out continuously. Resulting in your motor being able to pull as much as it wants/can for a longer time. Most NIMH batteries are 10c.

You may also want to do an AOE (angle of engagement) correction. This involves totally readjusting the timing on your piston head and should not be performed if you do not fully feel confident.

First remove the second to last tooth on the piston. Then shim the piston head so that the piston lines up exactly with the first tooth on the sector gear. We have a guide HERE. You may also want to upgrade all the other fun parts that require you to have the gearbox and gun body open.

New stronger spring

New piston

New Piston Head

New air seal nozzle

New bucking

New inner barrel

Now this is no small amount of work.

Taking apart a gearbox and replacing a spring can be a daunting challenge depending on your level of skill but with time and the wonderful world wide web you can find step-by-step guides to disassemble and reassemble your gearbox. See our guide HERE.

Then we can talk about MOSFET. MOSFET is an electrical switch that (in simple terms) regulates voltage to your gearbox. You can wire one in, but if you go for a 7.4v it is only necessary for ROF regulation, but if you are going for the 11.1 then you really should put one in. Installation and operation are part-specific and come with detailed instructions.

Now that you have a new freshly shimmed tricked-out gearbox now what? You need to look at your connectors. Deans are one of the most popular connectors because they have a lower resistance than the standard mini Tamiya, and they are a soldered connection not a crimped, that is why many people switch to them. They do require solder but with a little time and patience that should be not problem for the average person. You can see a great guide HERE.

So now it comes down to the real deal 7.4 or 11.1. If you are confident in your work switching to an 11.1 is not a big deal but this is a higher voltage and a longer sustained amperage so this is for those who want the highest rate of fire. If you are just looking for a longer play time then 7.4v should get you a rate of fire in between a 8.4 and 9.6 and with the upgraded internals any AEG will handle a 7.4v lipo.

Plus we all know about air discharge. Nickel metal hydride batteries are great if you charge them the night before but you will have to charge them every time. There will always be a little "air discharge" but with Lithium, you get nearly none.

Oznake: lipo battery

7 Tips To Maximizing Your Battery Performance

Battery technology seems to have taken a leaping step recently, allowing electric RC models to go places where once only nitrous models could go. Leading this innovation are the Li-Po or Lithium Polymer batteries which has become the standard power source for electric-powered helicopters, planes, cars, boats, and almost every other type of model. However, these batteries are not exactly cheap, and improper operations will have detrimental effects. Here are seven tips to maximize your battery performance.

1. Break In New Batteries

Although not as big a deal with newer Li-Po packs as it was when NiMh and NiCad batteries were kings, it is still recommended that you fully charge the battery before first use. Fully discharging and charging batteries a few times before the first flight or will also give your battery a little bit extra lifetime and power.

2. Keep the pack clean

This is probably one of the most overlooked aspects of battery operations. It is a good idea to keep the battery pack clean, and this is especially important for the dean connectors. If the dean connectors are dirty, the connection may be obstructed and could result in a mid-flight power failure. The easiest way to clean dirty contacts is simply with alcohol and cotton swabs.

3. Keep up the battery's health by constant exercise

Leaving the battery inactive for a long period of time shortens its life and decreases its total potential. You should use your battery pack at least once every one to two weeks. Fully discharging then charging the pack will also quell this problem.

4. Take breaks between flights

A fully charged lipo pack has enough power for a 10-minute flight. However, to fly for ten minutes straight on one pack is not recommended. If you have two packs, it's best to fly a 5-minute flight, switch to a fresh pack, fly for another 5 minutes, and then switch back to the old pack. Doing this will greatly increase the lifespan of the battery.

5. Do not charge when hot

Never charge the battery pack while it is still hot. The battery pack becomes very hot right after a flight; you must wait until it cools down before charging it again. Charging a still-hot pack is one of the most successful ways to shorten a battery's life.

6. Store them well

To store the battery for a prolonged period (a month or more), the best way to store them is in a clean, dry, cool place away from metal and heat. Remember also that battery packs lose charge over time even without usage.

7. Avoid hard impact

Individual cells within a battery pack can be damaged upon heavy impact which could cause circuit leaks and can be dangerously unstable. There is also no way to repair a damaged cell. Try your best not to crash, but of course, we all already do.

Oznake: Lithium-ion polymer

10 Tips to Longer Lasting Forklift Batteries

1. Check the automatic watering systems.
These systems tend to be clogged during use. They also tend to be located in the lift and not taken out very often, so they get clogged. This often goes unchecked, the clog is not discovered and the cell gets burned up and dried. This results in $400 - $600 costs for a cell change and this is a frequent issue commonly seen that could be avoided.
2. Clean the tops of the batteries of acid and corrosion.
A dirty battery causes a lot of problems. If you put a voltmeter on top there actually is a slow discharge of the battery. If you charge a battery it will slowly discharge over time. Corrosion builds up and will ruin your cables which causes poor battery performance. Cables can get expensive at $70 - $100 each if you have a lot of batteries, in addition to degrading your battery performance. This can be avoided just by taking a little time to clean the top of the batteries.
3. Keep on top of underperforming batteries.
A lot of companies don't take care of the problem batteries. Underperforming batteries can draw heavy loads on electrical components of the forklift which are very expensive to the thousands of dollars. The damage happens when the battery gets low and it is used anyway.
You can tell a battery is underperforming if it doesn't last a full shift. A lot of batteries only go for 1 or 2 hours and the drivers don't know which ones are good or bad. They just put them in and the batteries draw very quickly.
Facilities that have under performing batteries can spend thousands per month replacing electrical components in forklifts and the root cause is under performing batteries. These batteries can be identified, Brought Up To Full Performance and this expense can be saved.
When the lifts go down you have less productivity, less product moved, more battery changes, and unnecessary costs of replacing components and the labor to do so.
4. Use filtered water in batteries.
Being in so many facilities and seeing things first hand I can tell you without hesitation that using tap water in your batteries will cause you problems and unnecessary expense. I see this all the time. Batteries that use tap water are far worse than all the rest of them. They heat up more. The minerals in the water build-up on the plates and it causes heat. Heat causes premature battery failure. My estimate is you cut battery life by 50%. Even if your battery is covered by a warranty you have to ship it out and wait for it to come back, and incur the costs to do so. This can be avoided by using filtered water.
5. Use a water de-ionizer.
A cheap and effective solution to the problem of using filtered water. You can attach it to your water line, it is cheap and you get the benefits of filtered water. It's easy to use. You don't have to mess with bottles of filtered water. You can use an automatic water gun and a battery is filled up in seconds rather than the minute or so it takes to pour in filtered water from a bottle, which is probably the main deterrent to using filtered water. This makes filling up easy and painless and eliminates the minerals that pollute the batteries and cause you the expense and lost productivity.
6. Do not allow opportunity charging.
Do not allow charging during 15-minute breaks and lunch periods. Batteries are made to draw down 80% and then be full charged. If you opportunity charges you significantly reduce the life of your battery.
I think the reason this process starts is when you have underperforming batteries, the drivers know this and they try to get a little more charge during their breaks.
Opportunity charging accelerates the deterioration of battery performance. If you identify the lesser performing batteries you can avoid this issue.
This can reduce battery life by a year or two, plus you have the cost of electricity for unnecessary charging and the labor cost and lost productivity when a battery needs to be charged.
7. Do not equalize the batteries more than once a month.

Equalizing creates tremendous heat, particularly when a battery is a little older. Heat kills batteries. It sheds the lead. Equalizing can give a temporary boost but the battery is used up more quickly. I go into facilities and literally see batteries steaming from the heat.
The temporary boost you get comes at a high cost of a shorter battery life and the costs of increased handling and maintenance.

8. The batteries should cool down after charging.

Remember, heat kills batteries. If they are charged and then immediately used they are hot a lot longer. Companies that get the most from their batteries let them cool a few hours after charging.

9. Do a quick check of cables and connections monthly.
This can easily be overlooked. At a glance, everything might look all right but a closer inspection can pick up corrosion which does not allow electricity to pass through. Jiggle the cables and make sure the connections are solid.
Bad cables impact battery performance. If electricity doesn't pass though efficiently, your battery is not discharging or charging completely. You might think your battery is bad, but it really it really can't be charged completely because the cables are bad. So check them for corrosion.
10. Program your chargers with a 30-minute delay.
One company I service couldn't stop their workers from opportunity charging during breaks and lunch when they were not being watched. So, they installed a 30-minute delay on the charger.
The workers plug in as normal but they are not being charged due to the delay.
The disadvantages and costs of opportunity charging are so significant that installing a delay was a very smart move for this facility. Most of the breaks are 15 or 30 minutes and it eliminated charging during this time.
Summary
Batteries will last a lot longer. A typical warranty is 5 years but you can get 7 or 8 years of productive lift from a battery. If you are not doing the above a battery may only be productive for a year or two and then it is under performing, with all the attendant unnecessary time, labor and expense, for the last few years it is in use. You incur the consequences of increased charging, lost productivity and unnecessary electricity and labor expense to keep them in service.
The labor cost of having underperforming batteries is significant. Bad batteries mean you have people changing them. There are safety concerns. When batteries are being changed you have a risk of injury. With more activity around the battery area there is more opportunity for injury.
Choose luda, Choose the top quality of China!
Choose luda battery, Choose the top quality of China!
Choose luda, Choose the top quality of China!
Choose luda battery, Choose the top quality of China!
Choose luda, Choose the top quality of China!
Choose luda, Choose the top quality of China!

An Introduction to Lithium Batteries

Between electric cars, cell phones and laptops it seems as if batteries are everywhere. This is not going to change any time soon. Global electricity use is skyrocketing and smart phones, tablets and e-readers are all becoming more common. In addition, batteries are finding applications in energy storage as the renewable energy sector continues to grow. Engineers and scientist have developed many novel technologies to supply our storage needs, but none seems to have established itself as the ultimate technology. Flywheel, compressed air and thermal storage are all strong contenders for grid-scale storage while lithium-ion, nickel-cadmium and nickel-metal-hydride batteries compete for portable electricity storage. What is all comes down to is that we still have not found an optimal way to store our electricity. This article will discuss the technology and potential of lithium batteries.
Until the 1990s nickel-cadmium (NiCad) batteries were practically the only choice in rechargeable batteries. The major problem with these devices was that they had a high temperature coefficient. This meant that the cells' performance would plummet when they heated up. In addition, cadmium, one of the cell's main elements, is costly and environmentally unfriendly (it is also used in thin film panels). Nickel-metal-hydride (NiMH) and lithium-ion emerged as competitors to NiCad in the 90s. Since then a mind numbing number of technologies have appeared on the market. Amongst these lithium-ion batteries stand out as a promising candidate for a wide range of uses.
Lithium-ion cells have been used in hundreds of applications including electric cars, pacemakers, laptops and military microgrids. They are extremely low maintenance and energy dense. Unfortunately commercial lithium ion cells have some serious drawbacks. They are very expensive, fragile and have short lifespans in deep-cycle applications. The future of many budding technologies, including electric vehicles, depends on improvements in cell performance.
Technology
A battery is an electrochemical device. This means that it converts chemical energy into electrical energy. Rechargeable batteries can convert in the opposite direction because they use reversible reactions. Every cell is composed of a positive electrode called a cathode and a negative electrode called an anode. The electrodes are placed in an electrolyte and connected via an external circuit that allows electron flow.
Early lithium batteries were high temperature cells with molten lithium cathodes and molten sulfur anodes. Operating at around 400 degrees celcius, these thermal rechargeable batteries were first sold commercially in the 1980s. However, electrode containment proved a serious problem due to lithium's instability. In the end temperature issues, corrosion and improving ambient temperature batteries slowed the adoption of molten lithium-sulfur cells. Though this is still theoretically a very powerful battery, scientists found that trading some energy density for stability was necessary. This lead to lithium-ion technology.
A lithium-ion battery generally has a graphitic carbon anode, which hosts Li+ ions, and a metal oxide cathode. The electrolyte consists of a lithium salt (LiPF6, LiBF4, LiClO4) dissolved in an organic solvent such as ether. Since lithium would react very violently with water vapor the cell is always sealed. Also, to prevent a short circuit, the electrodes are separated by a porous materials that prevents physical contact. When the cell is charging, lithium ions intercalate between carbon molecules in the anode. Meanwhile at the cathode lithium ions and electrons are released. During discharge the opposite happens: Li ions leave the anode and travel to the cathode. Since the cell involves the flow of ions and electrons, the system must be both a good electrical and ionic conductor. Sony developed the first Li+ battery in 1990 which had a lithium cobalt oxide cathode and a carbon anode.
Overall lithium ion cells have important benefits that have made them the leading choice in many applications. Lithium is the metal with both the lowest molar mass and the greatest electrochemical potential. This means that Li-ion batteries can have very high energy density. A typical lithium cell potential is 3.6V (lithium cobalt oxide-carbon). Also, they have a much lower self discharge rate at 5% than that of NiCad batteries which usually self discharge at 20%. In addition, these cells don't contain dangerous heavy metals such as cadmium and lead. Finally, Li+ batteries do not have any memory effects and do not need to refilled. This makes them low maintenance compared to other batteries.
Unfortunately lithium ion technology has several restricting issues. First and foremost it is expensive. The average cost of a Li-ion cell is 40% higher than that of a NiCad cell. Also, these devices require a protection circuit to maintain discharge rates between 1C and 2C. This is the source of most static charge loss. In addition, though lithium ion batteries are powerful and stable, they have a lower theoretical charge density than other kinds of batteries. Therefore improvements of other technologies may make them obsolete. Finally, they have a much shorter cycle life and a longer charging time than NiCad batteries and are also very sensitive to high temperatures.
These issues have sparked interest in other chemistries, such as lithium-air, lithium-polymer and lithium-iron. Since I do not have time to go through all these devices, we'll briefly look at lithium-air batteries. In these systems, Li is oxidized at the anode, releasing electrons that travel through an external circuit. Li+ ions then flow to the cathode where they reduce oxygen, forming the intermediary compound lithium peroxide. In theory, this allows for a truly reversible reaction to take place, improving the performance of lithium-air batteries in deep-cycle applications. However, much like Li+ cells, these batteries suffer from short lives. This is due to the formation of oxygen radicals that decompose the cell's organic electrolyte. Fortunately two lithium-air batteries developed independently in 2012 by Jung et al., a team of researchers from Rome and Seoul, and Peter Bruce, who led a group at St. Andrews, seem to have solved this problem. Both the groups' batteries underwent approximately 100 charging and discharging cycles without losing much of their capacity. Bruce's device lost only 5% capacity during tests. The batteries also have higher energy density than their lithium ion counterparts. This is a sign that the future of energy storage may reside with powerful, resilient lithium-air chemistry. However we will first have to overcome durability, cost and weight problems.
Implementation
Though novel lithium battery chemistries are being developed and marketed, Li+ batteries remain near the top of the food chain for now. As we mentioned previously, this technology is often considered the first choice for electric vehicles and electronic devices due to its energy density. Tesla's Roadster contains no less than 6831 lithium ion batteries. Arranged into packs of 69, the cells are capable of taking the vehicle from 0 to 60 mph in just 3.9 seconds. Just in case you were wondering, 69 goes into 6831 exactly 99 times. Also, if you are reading this article on your laptop, it is likely that it is powered by a lithium cell.
The major drawback to current Li batteries is their susceptibility to aging effects, especially when heated. You may have noticed that laptop and cell phone life deteriorates dramatically after a few years. This is largely due to aging. This issue has made the technology ill suited for backup and grid-scale power. Despite this, Li-ion batteries have competed for energy storage projects with alternative technologies such as thermal, flywheels and compressed air storage. Most of these installations have been in California. Silent Power's Li+ cells are being used to dampen power fluctuations in Sacramento and Greensmith has installed 1.5 megawatts of grid-balancing lithium-ion batteries throughout the state. In addition, AES Energy Storage has installed, or is in the process of installing, 76MW of Li+ battery capacity worldwide with 500MW in development. The main benefit of this technology is the fact that we understand it well and have the immediate resources for it to work. In large scale projects lithium-ion batteries have been most successful in sites where there are severe space restrictions or minimal maintenance capabilities.
In the near future it seems as if lithium ion technology is set to continue to dominate many applications. Li+ batteries are a proven concept, unlike some other technologies that have remained cloistered in the lab. The possible emergence of electric vehicles and the booming demand for electronics will undoubtedly have positive effects on the industry. Unfortunately, all good things come to an end. Analysts forecast that the technology will lose some of its competitive edge once infant technologies such as aluminium-ion, zinc-bromine and lead-carbon come on the market. For example on the topic of lithium ion batteries in storage applications, Lux Research said the following:
"Li-ion batteries developed for transportation applications are energy dense storage devices. Stationary storage projects rarely value this metric, resulting in wasted value for grid-tied Li- ion battery systems. Rapidly evolving technologies with equivalent or superior performance metrics and substantially lower costs and higher resource availability will take over the majority of the grid storage market in the coming years."
Though they are unlikely to be used in many grid scale storage projects, Li-ion batteries will certainly play a large role in our future. Their high cost will probably drop as the concept continues to mature and the devices become more widespread. A study by Mckinsey research found that 1/3 price reductions could be achieved through economies of scale alone. In any case lithium ion batteries are going to have to fight to keep the advantage they currently have.
Lithium is just a small part of the global picture. There are currently many competing concepts in the world of energy storage, each with their own pros, cons and background.

Li-Po Batteries Proper Safety Use Necessary to Avoid Fire and Damage

The Lithium-Polymer (Li-Po) batteries are a popular battery choice because of its unbeatable appealing attributes. These include high energy density, low weight, and greater discharge rates. LiPo batteries have transformed all the facets of radio controlled (RC) batteries. While it has many great benefits, extreme caution is necessary when recharging this battery.
LiPo Batteries Offer a Host of Electric Advantages
LiPo batteries come in different sizes and shapes and are now commonly found in RC cars, boats, and aircraft. Compared to other types of batteries, LiPo holds a more significant charge and is lighter too. Since its emergence and continued improvement, it has provided a substantial boost to the performance of RC cars, boats, aircraft, helicopters, and more. Additionally, new types of vehicles like multi-rotors now use LiPo batteries.
Lithium-polymer batteries offer many electric advantages. However, this does not come without cost. This particular battery has a higher risk of damage if not handled correctly. For this reason, users must be aware of some precautions to make the most of LiPo batteries.
Capacity and Voltage
When properly handled, LiPo batteries can provide high battery performance compared to other battery types. In terms of proper handling and use, there are two main aspects of the battery that one must understand. These are the capacity and voltage of the battery. An example of this is a battery with a shorthand "4S-2200", which denotes the capacity and voltage of the LiPo battery.
In this, the "4S" means it has four cells in a series. Since each cell has 3.7 volts (or 4.2 volts when fully-charged), the battery has a total pack voltage of 14.8 volts or 16.8 volts. The second number, on the other hand, refers to the battery's capacity in milliamp-hours (mAh). A 2200mAh battery at full charge can provide a current of 2200 milliamps for one hour before it becomes fully discharged.
A LiPo battery's capacity value is not affected by the number of cells in a series. The capacity value provides you valuable information so you can estimate the duration which the battery can provide you with useful power. In practical settings, though, this information only provides a rough comparison between different batteries.
Discharge Rate
Another important aspect of a LiPo battery is the discharge rate. This serves as an important factor so that a user can better determine the applications that the battery can be used for. The discharge rate is the value that allows users to determine how much amps that the battery can continuously output without sustaining damage.
Many RC applications require high amperage, which makes it a crucial factor to know a battery's discharge rate to ensure a vehicle's overall performance. LiPo batteries run a risk of catching fire when not properly charged. On that note, fire departments are always keen to give warnings and precautions for safe charging.
Charger and Operator
There has not been any a case of a LiPo battery bursting into flames while in storage. The fire accidents involving LiPo batteries often happen during the battery's charge or discharge. The majority of battery problems occur during charging, and the fault usually lies on the charger or the person operating it. This does not always happen, but these are the common factors in most LiPo battery fire cases.
There are lessons to learn from these incidents. First, users must invest in a good quality charger to avoid it being the cause of a fire. Second, the operator of the charger must learn how to operate it properly. An excellent choice of a charger LiPo battery is those with built-in checks. This type of battery charger allows the user to configure it properly.
Usually, these chargers can be used to charge not just LiPo batteries but also other battery chemistries. While they come with useful safeguards, the user of the battery is ultimately the one responsible for making sure that everything is above-board and proper. The user has to ensure that the charger set is suitable for the number of the battery's cells, that the charge rate is within the battery's limit, and etc.
Charging and Discharging Guidelines
Manufacturers often provide guidelines and warnings when it comes to the charging and discharging of LiPo batteries. The guidelines for charging and discharging of the battery must always be followed along with common sense. To avoid fires and other accidents, one must always be on the side of safety. One of the most critical reminders is to do a visual inspection of the battery before charging.
The user or operator must look for any sign of damage, like damaged connectors, frayed wires, swelling, and other irregularities. If the battery sustains damage that cannot be repaired, then it should be discarded. Charging it could result in the battery to explode and catch fire. Charging the battery using chargers not designed specifically for this type of battery is also not a good idea.
Users should always only use a Lithium balance charger. They must also follow the instructions in the use of the battery and charger carefully. Common sense and safety precautions must always be used when charging LiPo batteries. Leaving the batteries unattended while charging or discharging is not ideal as there might be problems that might arise during the process.
The user has to be there to unplug the battery if a problem ever occurs quickly. The charging and discharging process must be done on a fire-resistant surface within an open area. Charging the batteries near a flammable material is a big no. If there is no proper space for charging, one can use a LiPo battery safety charging bag instead. The batteries must be at ambient temperature before charging/discharging.
These are only a few of the guidelines, and warnings that any user of LiPo batteries must keep in mind. With common sense and self-awareness of safety precautions, then keeping the batteries from catching fire or sustaining damage will be easier. Lithium-polymer batteries have many great advantages in various applications. These are great batteries but to make the most of it, proper safety use is critical.

Oznake: lithium polymer battery

Lipo Battery Pack Tutorial

So you want to go lipo?

Well you have made the big choice and now you need to know where to start. Well the first thing to look at is the condition on your gearbox. This is going to be one of those times where you have to be very truthful with yourself. Is this gearbox in the best shape it can be? When was the last time you shimmed the gearbox? When did you last grease the gearbox? If you have not taken the time to make sure you have no noise or play in your gears take that time now. You will pay later when a subtle oscillation turns into a spinning gear of death and takes out your AEG in the middle of sustained fire if you don't.

While you are in the gearbox there are some other things you should look at. What gauge and quality is your wiring? If you are not at 16 or 18 gauge wire then take the time now and change it so that you have a big enough and strong enough pipe to push the new sustained voltage.

The C rating of a lithium polymer battery denotes how much current you can draw out of a pack at a continuous rate. Example:

1600mah 10c battery 1600mah/10000mah = 1.6ah 1.6ah x 10c = 16 amps

1000mah 20C Pack 1000mah/1000mah = 1ah, 1ah x 20c = 20 Amps

1500mah 25C Battery 1500mah/1000mah = 1.5ah, 1.5ah x 25c = 37.5 Amps

So the higher your discharge rate (C Rating) the more amperes you can push out continuously. Resulting in your motor being able to pull as much as it wants/can for a longer time. Most NIMH batteries are 10c.

You may also want to do an AOE (angle of engagement) correction. This involves totally readjusting the timing on your piston head and should not be performed if you do not fully feel confident.

First remove the second to last tooth on the piston. Then shim the piston head so that the piston lines up exactly with the first tooth on the sector gear. We have a guide HERE. You may also want to upgrade all the other fun parts that require you to have the gearbox and gun body open.

New stronger spring

New piston

New Piston Head

New air seal nozzle

New bucking

New inner barrel

Now this is no small amount of work.

Taking apart a gearbox and replacing a spring can be a daunting challenge depending on your level of skill but with time and the wonderful world wide web you can find step by step guides to disassemble and reassemble your gearbox. See our guide HERE.

Then we can talk about MOSFET. MOSFET is a electrical switch that (in simple terms) regulates voltage to your gearbox. You can wire one in, but if you go for a 7.4v it is only necessary for ROF regulation, but if you are going for the 11.1 then you really should put one in. Installation and operation are part specific and come with detailed instructions.

Now that you have a new freshly shimmed tricked out gearbox now what? You need to look at your connectors. Deans are one of the most popular connectors because they have a lower resistance that the standard mini tamiya, and they are a soldered connection not a crimped, that is why many people switch to them. They do require solder but with a little time and patience that should be not problem for the average person. You can see a great guide HERE.

So now it comes down to the real deal 7.4 or 11.1. If you are confident in your work switching to a 11.1 is not a big deal but this is a higher voltage and a longer sustained amperage so this is for those who want the highest rate of fire. If you are just looking for a longer play time then 7.4v should get you a rate of fire in between a 8.4 and 9.6 and with the upgraded internals any AEG will handle a 7.4v lipo.

Plus we all know about air discharge. Nickel metal hydride batteries are great if you charge them the night before but you will have to charge them every time. There will always be a little "air discharge" but with Lithium you get nearly none.

Oznake: Lithium-ion polymer

5 Tips Technology Improves Safety at Construction Site

Building and construction sites residence almost 6.5 million American workers and their safety is an essential problem for employers. Regardless of this, the casualty rate in the building industry is the highest possible in the U.S. Workers at these sites constantly need to check the possible dangers of drops, misuse of equipment, and architectural failures causing injury or fatality. This makes it incredibly vital for business leaders to establish a culture that focuses on security in any way prices.

The Current State of Construction Site Safety
As companies remain to explore brand-new methods to raise building and construction site safety levels, developing innovations such as virtual reality as well as wearable gadgets use an opportunity to act as well as get upon safety and security data like never ever in the past. Regardless of 84% of building and construction managers stating that even more is required to be done to boost security degrees, the adoption of technology-led initiatives has stayed reasonably conservative.

This sluggish adoption can be credited to the dependence on heritage systems and also an absence of technological proficiency. To get over these difficulties, firms need methods to integrate details of modern technologies into an integrated innovation pile that can share information as well as highlight discomfort points early. Right here are 5 methods the incorporated use technology can reduce instances of devastating Jobsite events.

5 Ways to Use Technology to Improve On-Site Safety
Rise safety conformity with mobile applications
While construction organizations go to fantastic sizes to develop safety procedures and also short workers on safety finest methods, examining involvement and conformity can be a challenge without digital procedures. Mobile applications can make it very easy to consolidate safety and security protocols such as reporting, notice, as well as organizing. Managers can make certain compliance with state and government guidelines as well as promptly identify the training that each employee has experienced.

Accumulating information on safety and security compliance requirements allows greater insight into on-ground tasks. Mobile applications that make it very easy to review participation and also the efficiency of safety activities also allow building and construction organizations to make that data readily obtainable throughout organization divisions, therefore eliminating existing details silos.

Improve training through digital web content
Current research study has actually revealed that 90% of work-site crashes are brought on by risky habits and environments. This typically happens as a result of a lack of understanding of the security methods by on-ground workers, inadequate security training, and also a general lack of awareness of established safety and security methods. The presence of security methods, as well as the availability of safety and security training, are commonly inadequate to make certain all employees are effectively informed pertaining to the relevant safety procedures.

Developing digital web content can help magnate make certain that each worker on the ground has simple access to this info whatsoever time. Digital material, when distributed via an integrated data solution, also allows managers to ensure participation and interaction degrees continue to be high during the training. Correspondence courses, as well as regular digital evaluations, can also improve employees' experience with new procedures and also policies they should be aware of.

Augment physical labor with wearable innovation
A current United States Chamber of Commerce record detailed the increase of wearable innovation in the building and construction sector, anticipating that virtually a quarter of service providers will certainly use this technology by 2023. Wearable innovation in the building can come in many forms, from increased fact as well as virtual reality headsets to exoskeletons that offer skeletal and muscular support for staff members taking care of hefty physical work.

The physical nature of operating in the construction industry can commonly take its toll on the human body as well as overexertion is a usual root cause of injury and fatigue at several job sites. The use of wearable modern technology can literally strengthen workers with exoskeletons while monitoring tiredness degrees as well as recognizing susceptible employees prior to a disruptive event is videotaped.

Preempt security spaces with predictive information analytics
The intro of any kind of contemporary technology right into building and construction websites can create huge amounts of data that can be evaluated to remove beneficial understanding. Recent research has actually shown that the correct use of anticipating analytics can forecast office crashes with nearly ideal accuracy. As building and construction equipment increasingly links to the Internet of Things, software analysis of the information accumulated from them needs to keep up.

Anticipating evaluation enables site managers to identify mechanical factors of failing prior to it occurs. This greatly decreases the likelihood of employees being hurt because of malfunctioning or under-serviced tools.

Respond to devastating occasions quickly with localization innovation
Regardless of technology lowering the threat of work environment injuries, building businesses need to still be prepared to react to any type of devastating event that does happen. Executing electronic remedies throughout divisions can often further the production of deeply entrenched information silos. Therefore, the integration of all these technologies comes to be exceptionally crucial. Once properly incorporated, the information that is shared between the tools can give supervisors a better summary of the state and area of each critical system, thus placing them in the best setting to react as well as identify any kind of adverse on-site event.

Why combination is the key to unlocking the capacity of safety and security innovation
A vital consideration that organization leaders ought to take note of when carrying out these modern technologies is that they do not exist in isolation. The automated information circulation in between crucial systems can equip site managers by reducing human error as well as boosting foresight when resolving possible on-site safety concerns.

In contrast to a change and also dispose of approach, combination permits firms to urge buy-in from staff members, reduce expenses, as well as improve existing systems. The integration of emerging modern technologies with traditional systems can also make the shift much less taxing for employees who have actually collaborated with older systems for many years.

Ultimately, the combination of contemporary technologies with existing systems equips business leaders to develop the OSHA recommended framework of preventative security while enhancing data collection to recognize possible voids in safety early, decreasing human error, as well as minimizing instances of on-site devastating security occasions.

Construction websites house virtually 6.5 million American workers and their safety is an essential concern for employers. While construction businesses go to fantastic lengths to develop security procedures and brief workers on security best practices, examining involvement and compliance can be a challenge without digital processes. This commonly takes place as a result of a lack of understanding of the security protocols by on-ground workers, insufficient safety and security training, and a general absence of awareness of recognized safety and security protocols. The presence of safety and security procedures and the accessibility of safety and security training are commonly not adequate to make certain all employees are effectively oriented concerning the pertinent security processes.

The automated information flow in between critical systems can equip site managers by decreasing human mistakes as well as improving insight when attending to potential on-site safety problems.

Different Kinds of Construction Tools and Apparatus

Building devices are typically made use of for business associated with construction and roadways. This equipment are rather necessary for finishing different projects and road repair works. There are several types of gizmos or devices that help in building structures.


Several of the building devices are as complies with:

Loader- The Loader is additionally prominent as a scoop car or loader, used majorly in the road and also structure construction projects. Loader is of numerous kinds like a front loader, container loaders, back-end loaders, etc. loaders additionally aid in relocating materials like sand, concrete, rock, logs, or gravel to other trucks or trailer automobiles.

Crane- A crane is run by switches and also cords for training and also reducing source materials for constructing frameworks of numerous kinds. Cranes are additionally utilized for devastation purposes in addition to boom vehicles. Hydraulic cranes tow raw building products as well as used products for recycling functions.

Excavator- It is a large device with a prolonged arm and also buckets to dig openings or structures in farmlands or building and construction projects. An excavator also carries out other features like demolishing different structures, landscape gardening, cutting wood in forests, lifting products, dredging the rivers, and so on

Crawler -More preferred as a bulldozer, crawler is used for dynamic construction plants as well as projects. Crawlers have dozer blade accessories to be used as a tractor. Such devices are extremely costly and lots of firms used rented crawlers to finish their target date construction works.

Road Rollers- These tools help with compacting or squashing asphalt, crushed rock, or concrete products. This heavy equipment is usually made use of for developing highways and also large structure structures.
There are more devices that are important for construction functions as well as mega tasks for building frameworks. Equipment like concrete mixers for mixing the concrete as well as sand in turning drums is likewise used by all building and construction designers.

Construction is not a simple treatment; it is the combination of different activities and collaborating them to offer one single purpose. The building can be of various kinds like building your dream house, the main structure, a harmful dam job, a great highway, and so on most of the building and construction jobs are accomplished by professional workers of building companies.

Lots of people prefer to designate specialist building firms with government enrollment certificates. And also nowadays, every genuine construction company has an official website with all required info about their work and experience. Construction firms need to invest in numerous types of building equipment like skates, hydraulic jacks, cement mixers, crawlers, and so on

. Lots of businesses likewise get these heavy building devices on a lease basis from building and construction device suppliers to cut costs and also save cash, especially if the tide is reduced and also job stress is slow-moving. There are numerous on the internet resources that aid buys quality devices necessary for building and construction.

Such building tools aid the faster development of building and construction projects. Such building and construction garments also decrease the tons of manual workers and also conserve their power for other constructive objectives. One can search online resources for even more exhaustive info on building business and equipment needed for constructing fantastic building frameworks.

Construction types of equipment are typically made use of for firms involved in construction as well as roadways. Building firms have to invest in lots of kinds of building and construction equipment like skates, hydraulic jacks, cement mixers, spiders, and so on

. Several companies likewise purchase these hefty construction tools on a lease basis from building device suppliers to reduce expenses as well as conserve cash, especially if the trend is reduced and also work pressure is slow-moving. Such construction tools aid the quicker development of construction projects. One can browse online resources for even more exhaustive info on construction business and equipment required for building excellent building and construction structures.

5 Interesting Facts About Concrete

This week's World of Concrete in Las Vegas is the first significant exhibition in the United States since the COVID pandemic changed the face of the convention and also conference service. For numerous, this is yet another sign of life slowly going back to typical for the building and construction industry.

If you've made the expedition to this year's WOC, you're expecting it all-- new products, sophisticated technology, interactive workshops, hands-on training, and also no question-- the Bricklayer 500! This one-hour competition checks the speed as well as stamina to name the globe's biggest mason.

Whether you're there personally or as well active in the field to go to, we join you in commemorating all points concrete this week. Below are some fantastic as well as strange realities concerning concrete, a solid and functional material, that is utilized in everything from our kitchen counter tops to the roadways we drive on day-to-day.

1. Concrete Usage is Staggering
With greater than 10 billion lots of concrete being generated yearly, concrete is one of the most eaten product on the planet-- apart from water. With three bunches used for every single individual worldwide, twice as much concrete is used in building and construction as contrasted to all various other structure materials.

In the U.S. alone, this number is more than 500 million lots. Worth greater than $37 billion, the concrete industry utilizes more than 2 million in the USA. With cement as its cornerstone, it is also responsible for 8% of the world's carbon dioxide (CO2) discharges.

2. Concrete Has Come a Long Way Given That 600 B.C.
Although Ancient Romans weren't the first to mix mud and also straw or produce mortar, they were the very first to use concrete in the majority of their building and construction. They efficiently used a mixture of ashes from Mount Vesuvius, lime, as well as salt water to develop the mix and packed it right into wooden types.

The Roman civil designer Vitruvius blogged about four sorts of "pozzolana"-- black, grey, red, and also white. The Romans comprehended the water resistant qualities of this new building material, utilizing it to create their port at Cosa.

Even more remarkable is the Roman Pantheon, which was made entirely out of concrete, without the enhancing assistance of structural steel. Its impressive 142-foot-high dome still stands today. It is a huge concrete structure and has actually weathered earthquakes and other natural catastrophes throughout its 2,000 years.

3. Concrete Helped Win World War II
Concrete "sound mirrors" were utilized at the beginning of World War II to offer a very early caution of approaching airplane. Before radar was established, the British erected parabolic acoustic mirrors or paying attention ears to spot aircraft. With a network of sound reflectors created along the English coastline, the British can discover the sound of approaching German aircraft.

The scooped concrete structures were made to pick up sound waves from opponent airplane, making it feasible to predict their flight trajectory, offering ground forces even more time to prepare British defenses.

4. World's Largest Concrete Structure is in China
At 185 meters high as well as 2,309 meters long, the Three Gorges Dam on China's Yangtze River is the largest concrete dam. Developed over 17 years in between 1994 and 2006, the job cost $37 billion to construct. Employees utilized some 21 million cubic lawns of concrete in the framework-- a globe document.

A hydroelectric station that can generate an unbelievable 22,500 MW of power, the dam's storage tank holds as much water as Lake Superior.

5. Concrete Furniture? Maybe Not a Lightbulb Moment
Did you understand Thomas Edison held 49 patents related to concrete? Along with inventing the light bulb, Edison's licenses included cement processing equipment, waterproofing cement paint, and also even a mold and mildew for single-pour concrete building.

On top of that, Edison visualized a future with concrete homes, concrete furniture, and also even concrete pianos, and refrigerators. He produced the Edison Portland Cement Company after he discovered the amount of sand waste generated by his ore milling company. He marketed the fine sand bits to cement makers for concrete manufacturing.

While these truths as well as background regarding the concrete market might not help you win at Jeopardy, there are plenty even more to pour over when it involves this versatile and strong product.

Well worth even more than $37 billion, the concrete industry employs more than 2 million in the United States. Concrete Has Come a Long Way Since 610 B.C.
Although Ancient Romans weren't the first very first mix mud and straw or create produce, they were the first to utilize make use of in the majority bulk their construction Building and construction Concrete "sound mirrors" were utilized at the beginning of World War II to give a very early warning of coming close to airplane. Workers utilized some 21 million cubic lawns of concrete in the structure-- a world record.

In enhancement, Edison imagined a future with concrete houses, concrete furnishings, and even concrete pianos, and also refrigerators.