Use your radio as a power source! Ham Radio, Drones,RC,Baofeng,GMRS, FRS, UV5R, BF-888, Radioddity,

PLEASE NOTE: If you do not know how to safely charge and discharge batteries, please do not attempt to alter your charger or use your radio battery for anything other than it's intended purpose.

As far as what they can power, be sure to look into the voltages needed for your individual need. The UV5R will put out 6 (absolute lowest) to 8.4 volts, while a 1S Li Ion battery will put out 3 (absolute lowest) to 4.2 volts.