Shuangye electric bike li-ion rechargeable power battery


factory supply 48v20ah lipolymer ebike battery for electric bike  
Product Description
48V 20AH electric bike  battery
Box size: thickness 82mm * Width 150mm * Length 340m,
 aluminum size:295mm
 
Strong power mxa current 30A
48v250W brushless motor mountain ebike Can ran about 80-90km
Product characteristic:
Nominal Capacity : 10AH/20ah  
Nominal Voltage : 48V   
Cut-off voltage :31V 
Max. continuous discharge current : 25A   
Burst discharge current :30A   
Volumetric Energy density : 720WH   
Weight (Approx.) : 6500g   
Cycle Life(pack) :600 Cycles >60%  0.5C 
Available capacity > 96%  (30V cut off)

Standard charge method CC/CV: 
Charger output:54.6V2A 
Charging the cell initially with constant current at 2A  
and then with constant voltage at 54.6V till charge current <200mA.   
Standard charge :2A*12hrs  
 
our advantages
 
1.Light weight,long life,large capacity and good resistance.
 
2.Good consistancy,low self-discharge. Lipolymer cells,perfect quality.
 
3.Strong over-discharge resistance and charge retention
 
4.Maintenance-free and no acid or water for maintenance in usage
 
5.Pollution-free,International Approvals
 
6.Factory price,high quality.
 
7.Prompt Delivery
 
8.Quality Approvals
 


Specification: