... voltage 39V: 9. Maximum Continuous Charge Current: 1C(15A): 10. Maximum Continuous Discharge Current: 2C(30A): 11. Operation Temperature Range ... Celsius degree, 60+/-25%R. H. Bare Cell Discharge: -10~60 Celsius degree, 12. Storage Temperature Range: Less than 1 ... Factory price& High quality 9, Good consistency, low self discharge 10, Light weight, small size Others about electric bike battery: 1, OEM ...