Adjustable 900 mAh Battery. Rechargable, 510 Thread, Surge Protected. USB Charger Included.
#1.) Thread USB charger on battery. Plug charger into USB charger portal. Charge 2 hrs. for full charge.
#2.) Click Power button 5 times to turn on/off.
#3.) Click Power button 3 times to change voltage to desired setting.
#4.) Press and hold button on activate