Specifications: 1) AAA: Li-Fe battery 2) Capacity: 1,200mAh 3) Operating voltage: 1.5V 4) lighter than ordinary battery, and much longer life-span. 5) Primary battery, not rechargeable battery 6) No Hg, Cd, lead included, environment friendly battery 7) Especially suitable for digital cameras, 4wd cars, portable electrical appliances Inner packing: 50pcs/box Outer packing: 20 boxes/ctn