... SE,PSE,ROHS,SGS Safter and environmentally friendly ModelMax.Dimensions(mm)Norminal Capacity Internal resistance Norminal charge Voltage Discharge cut ... 20/+60Rechargeable Battery Feature:1)High quality and operating voltage 3.7V Li-ion rechargeable battery pack.2)Light weight,higher ... energy density,small volume.3)Longer service life,1C for Circulation using 400 charge/ ...