Detailed Product Description Ni-MH rechargeable battery is good at higher capacity compared ... MP3, wireless phone and game box. Characteristics:1,Working Voltage: 1.0~1.4 V. 2,Environmentally friendly. Deleterious metals ... contained. 3,High energy density. Capacity is about 1.5~2 times of the same type NiCd battery, ... Can work under the big drain, charge at 1 C and discharge at 5 C,.high power battery ...