HRB 3S 4S 4000mah Lipo Battery 14.8V 7.4V 11.1V Deans XT60 T 5S 6S 2S 22.2V 18.5V 1S RC FPV Airplanes Drone Truck Car 60C Parts
Caution:
Don't over charge more than 4.2V and dont over discharge below 3.7V
Don't put it beside the high temperature condition.
Don't throw it into fire.
Don't throw it into water.
Useful Knowledge:
The easiest way to determine the remaining capacity of a battery is to measure the voltage (for example 4.2V battery):
4.20V----100%
3.95V----75%
3.85V----50%
3.73V----25%
3.50V----5%
2.75V----0%
Never to let the voltage below 3.6V During use, or your battery will be destroyed.