DP-QPG18A(7817) 150w lithium battery Rechargeable
Indoor use:
Before using put the bulb into a lampholder turn on the power switch and the bulb will use the power,the battery will automatically be charged, charging process takes about 11hours when there is blackout the bulb will turn on automatically
Outdoor use:
Turn off before touching or moving the bulb. Remove the bulb from the lamp-holder and install it into the conductive cap for hand carrying or hooking use