Model Number: S-64V50Ah-#1029 Brand Name: HETER Key Specifications/Special Features: Deep cycle LiFePO4 64V50Ah automotive Lithium-ion battery pack1. With UL, CB, CE, MSDS and UN38.8 certificates2. Cycle lifespan: more than 2000 times in 100% DOD, 4000 times in 80%DOD and 10,000 times in 50%DOD and 80% residual capacity3. Applications: electric scooter, vehicle Chemical system:Lithium ion phosphate (LPF) Nominal voltage: 64V Nominal capacity: 50Ah Assembly: 20S16P Cells of assembly: 26650-3.2V-3200mAh BMS: Inside integrated Charge voltage: 72V Fast charge current: 50A Maximum discharge current: 100A Peak current: 300A Resistance: <80mΩ Case: Steel Case color: OEM Terminal: Wire+ connector Battery pack size: 624*230*200mm or customized Battery pack weight: 45kg OEM: Welcomed