... 1)Nominal voltage:7.4V 2)Nominal capacity:2000mAh 3)Size:5.2*45*90mm 1. perfect service and delivery ... environmental protection requirements: not contain harmful substances like mercury. RoHS, CE certification, according to the market requirements in Europe and America.6 ... °CStoring Temp.0°C-40°CColornature, accordinglyDemension5.2*45*90(mm)Charging life CycleOver 500 timesCertificateCE,RoHS,UL,FCC and ...