... box. Characteristics:1,Working Voltage: 1.0~1.4 V. 2,Environmentally friendly. Deleterious metals such as Hg, Cd, Pb are ... not contained. 3,High energy density. Capacity is about 1.5~2 times of the same type NiCd battery, adapted to ... . Continue overcharge at 0.1C rate.8.Self discharge is about 18% (20 ,30 days after fully charged), and would increase ...