Ultrafire 14500 3.6v 900mah Rechargeable Li-ion Battery + Charger Combo Rechargeable Li-ion battery, 14500, 900mAh 3.6V For use in specified flashlights and devices Can be charged over 500 times Can also charge 1.2V Ni-MH battery, such as D, C, AA, AAA, 9V Comes one one battery and charger