Charging voltage: 67.2v Rated Voltage : 60v
Battery pack weight : About 12kg
Capacity: Upgraded 20Ah
Discharging current : 40A / 50A
Battery type: Rechargeable lithium ion battery.
Output voltage: 40-67.2v DC
Charging current: 5A
Charging current : standard 5A , max 8.5A
Product life: Cycle life More than 1000 times, DOD at 80%
Charging Temperature: 0~45C
Discharging temperature: -20~60C
Storage temperature: -20~45C
Storage：Charge or discharge the battery to approximately 80% of capacity before storage. Charge the battery to approximately 80% of capacity at least once every three months. Store the battery at temperatures between 5 °C and 20 °C (41 °F and 68 °F). The discharge port and charging port should be clean at all times.
Handling Precautions：Do not disassemble, crush, or puncture a battery. Do not short the external contacts on a battery. Do not dispose of a battery in fire or water. Do not expose a battery to temperatures above 60 °C (140 °F). Keep the battery away from children. Avoid exposing the battery to excessive shock or vibration. Do not use a damaged battery.
Transportation： Always check all applicable local, national, and international regulations before transporting a Lithium-Ion battery. Transporting an end-of-life, damaged, or recalled battery may, in certain cases, be specifically limited or prohibited.