1. Product size: 120mm*80mm*182mm 2.Rated voltage: DC 29.6V 3.Charging limit voltage: DC 33.6V 4.Charging current: 3.5A 5.Rated capacity: 8000mAh, 236.8Wh 6.Standard: IS 16046(Part 2)/IEC 62133-2 7.Self-developed battery management system (BMS) 8.Functions: power display, battery storage self-discharge protection, balance charging protection, overcharge protection, overcharge protection, over-discharge protection, short-circuit protection, battery load detection protection.