Proper Discharge of Lipo Batteries

Lipo, or lithium-polymer batteries, are commonly use in the remote control operation of miniature cars or planes. Lithim forms part of the current transference system, in addition to a type of polymer that allows the battery to function in parallel, which extends the discharge time. The cells of a Lipo require specific charge and discharge methods to ensure safety and efficiency.

 

Charging a Lipo battery is very important. Incorrectly charging the batteries can lead to explosions and other accidents. Use a charger meant specifically for that battery. These chargers typically have an option for you to set it according to the number of cells your battery has. Check your battery pack or battery charging instructions for the correct number.

 

The charger will then enter two different stages of charging, switching methods when the battery is at about 80 percent capacity. It is important to let the batteries charge for as long as they need to, usually around one to two hours, before using them again. If you do not plan to use a Lipo battery for some time, make sure you leave at least a residual charge in the battery to help it maintain its capabilities. Do not leave the batteries unattended while they charge, and do not leave them near any flammable materials.

 

Most Lipo batteries will have a lead marked "discharge" that you can manually connect to an electronic speed control (ESC) device to properly discharge it. Make sure you connect the proper lead to the ESC; connecting the discharge lead, or allowing the two leads to touch, can easily ruin your battery. Before starting the discharge, make sure the battery is set in a fireproof location, such as a metal container or on ceramic tile. Most guides recommend keeping a fire extinguisher close in case something goes wrong.

 

Try to use a low-voltage cut-off ESC so that the battery is not discharged beyond a certain point, which can cause permanent damage to the system. You should always check the battery instructions before discharging, to make sure that the battery is not discharged faster than its maximum discharge current rating. Discharge too fast, and the battery can be permanently damaged.