Voltage:3.7V Capacity:600mAh,800mAh,900mAh,1000mAh,1100mAh,1200mAh etc Dimension:5*3.4*0.5CM Charging voltage:4.2V±0.2V Max charging current:1.0CSA Residence:≤120mΩ OEM is welcome Battery application: Compatible Devices those use BL-5C battery. Current Protection: Avoiding over charge and discharge, over current and short-circuit, more safety. Environmental Protection Materials: Do not contain mercury, lead, cadmium such harmful substance Energy Saving: Rechargeable batteries, strong recycling, environmental protection.