What happens if you fully discharge a LiPo battery?

Avoid Over-Discharging LiPo Batteries
Over-discharging—continuing to use a LiPO battery even when it is almost completely drained or below its minimum voltage level—can cause permanent damage to the battery. The damage caused by this can be INTERNAL battery damage and will not always be visible.
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Is it OK to fully discharge a LiPo battery?

Never discharge a LiPo battery below 3.0v per cell. Ideally you never want to go below 3.2v per cell to maintain a healthy battery. 2.9v per cell and lower is causing permanent damage.
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Can a discharged LiPo battery explode?

They have taken over from the old technology of Nimh (Nickel-metal hydride) and Nicad (Nickel-cadmium) batteries. They are superior in longevity and constant current but they do have there downsides. The quick answer is yes, they can explode and catch fire.
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What is the max discharge for LiPo battery?

The limit for a safe discharge per cell is around 3.5V. When your quadcopter is prepared for the use of higher voltages you can use a LiPo with several cells.
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What does 100C mean on LiPo battery?

1550mah 5s 100C: Max Current Draw = 1.55A x 100C=155A. 4500mah 6s 50C : Max Current Draw = 4.5A x 50C=225A. This means that we can discharge 155/230 amps continuously without damaging the battery. It may also be noted that increasing the C rating or increasing the battery capacity can increase Max Current Draw.
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How To Fully Discharge and Kill a LiPo Battery



What rate should I discharge LiPo?

Proper LiPo Storage Voltage = 3.8V per cell

For long term storage, the batteries should be discharged or charged, depending on their current state, to around 3.8v per cell.
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Can a fully discharged lithium battery catch fire?

Fortunately, most lithium-ion batteries work as intended — and don't catch fire.
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Can LiPo batteries catch fire when not charging?

There is a dark side to LiPo batteries, though. If they're not charged or used properly, they won't have peak performance for long, or worse, they can smoke and catch fire. Just do a web search for "LiPo battery fire" and you'll see what can happen.
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How long does it take to discharge a LiPo battery?

At 150W, it can discharge most FPV drone batteries in a matter of minutes. With this discharger, you can either discharge the battery completely, or set a voltage to stop the discharge (e.g. 3.80-3.85V per cell for storage). It is simple to use and even keeps all the cells balanced during the process.
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How do you recharge a fully discharged lithium ion battery?

When you take it out of the freezer, let it thaw for up to eight hours to restore it to room temperature. Place the Li-ion battery in the charger and charge it fully. Hopefully, its performance will improve, it will take a charge again and last longer between charge cycles.
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Can you over discharge a lithium ion battery?

A lithium-ion battery (LIB) may experience overcharge or over-discharge when it is used in a battery pack because of capacity variation of different batteries in the pack and the difficulty of maintaining identical state of charge (SOC) of every single battery.
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Can you bring a LiPo battery back to life?

When the total voltage is equal to about 3.3 volts per cell you can move the battery over to your LiPo balance charger and balance charge at 0.5C rating. This will take longer than charging at 1C but is safer. Once the balance charge has completed balancing you should have a fully recovered LiPo battery.
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Why would you discharge a LiPo battery?

They became weak and althroug they have nice capacity at low currents, they are impotent to give power - voltage falls down after 30-60seconds. even if they are fully charged. This is the only reason to discharge them and store in cold place (above freezing).
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How do you extinguish a LiPo battery fire?

Small lithium-ion batteries can be doused with water because they contain little lithium metal. Lithium-metal battery fires can be put out with a Class D fire extinguisher. Larger battery fires are best handled with a foam extinguisher, CO2, ABC dry chemical, powder graphite, copper powder or sodium carbonate.
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Can a discharged battery catch fire?

Yes. To open a lithium battery will not cause an explosion. The explosion must first be highly pressurized, and there will be no explosion without pressure. Disassembling a fully charged lithium battery may cause burning, and this burning process may be relatively rapid, so it may cause a fire.
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How do you make a LiPo explode?

Heat & Overcharging

More exposure to sunlight and high temperatures can be a cause of the explosion. Overcharging is also one reason to catch fire and explosion. So use a charger that is compatible with your battery.
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Can LiPo batteries burn without oxygen?

The lithium-ion battery or Li-ion battery fire does not need any oxygen to burn at all, because it can do that without any oxygen at all. The nature of the fire is recognized as completely chemical, so there is no role of oxygen in it that can start this fire.
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How hot are LiPo fires?

The burning lithium creates a metal fire existing at temperatures of 2,000 degrees Celsius/3632 degrees Fahrenheit. Attempting to douse the fire with water is inadvisable since this could lead to a hydrogen gas explosion!
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Can lithium-ion batteries explode with no charge?

However, lithium-ion batteries are extremely sensitive to high temperatures and inherently flammable. These battery packs tend to degrade much faster than they normally would, due to heat. If a lithium-ion battery pack fails, it will burst into flames and can cause widespread damage.
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What does 80C mean on a LiPo battery?

For example, a 1300mAh 80C battery can theoretically provide 1.3Ah * 80C = 104A. This means that both the capacity of the battery, and the C-rating contribute to the maximum current a battery can draw in continuous supply.
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What is the difference between 30C and 50C LiPo?

The 50C battery would be capable of delivering more current than 30C one, if needed. However, if nothing else in your power system has changed, it will draw the same current as before. You have some extra current capability, which you are not using, so you will not see any difference in flying or charging times.
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Is a higher C rating better?

The C rating for a LiPo battery, quite simply, refers to the capacity of energy the battery can safely discharge, represented as a multiple of its overall capacity. A battery that has a higher C rating delivers more energy, and that means higher performance.
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