Delong 48V 10A Electric bike  battery pack of rear rack flat type :

Basic specification of 48V 10A flat type electric bicycle battery pack :

Poduct feature and characteristics  of our rear -frame type electric bike battery :

 1)) Powerful energy :as the high voltage and light weight ,Motors acceleration speed  performance are very good

 2)) Energy density per volume are higher : it can reach 227wh/L
 3) Energy density per weight :80wh/Kg
 4) Stable BMS system with short-circuit protection ,over-charge protection ,over-discharge protection and over-current protection fuctions .
 10 ) With at least More than 1000times cycle life 
 11) It can run well under different  temperature environment condition
 12) No memory effects.
 13)  Light weight 

  14) Can be discharged at big current  

Charge and Discharge curve of our rear frame electric bike battery