Specification 
Nominal capacity: 20AH
Nominal voltage: 48V
Combination: 13S
Max.charge voltage: 55.25V
Max.discharge cut off voltage:35.1V
Max. charge current: 1C
Max. discharge current: 3C
Dimension: 255*83*70mm
Weight: approx:3.8KG
Application: electric bike/motorcycle/wheelchair/scooter/golf/rickshaw/solar system
Packing: carton+wooden case + pallets
Operation temperature range: charge:0℃~45℃/Discharge:-20℃~60℃
Storage temperature range: less than 1 year:-20~25℃