long life cycle 48v 60v 72v 20ah 40ah 60ah lithium battery pack for electric vehicle
2.Why choose us
No.1: cell quality control for test and after-sale
Each CTS cell have a code,recored in our computer,to ensure the good test and aftersales service.
If one cell is damaged in a pack,you can ask for replacement.
No.2 : well-equiped test machine
We have national standard battery test machine and strict tell procedure to ensure the good battery performance
No.3: unique and fresh design
Mutiple design ideas spring out from our battery pack structure and case design department,so all OEM is available in our factory.
Widely applied in EV,solar&wind storage,UPS and RC
6 in parallel and 8 in series
20Ah at 23±2℃
Standard charge and discharge
Discharge End Voltage
Standard Charging Method
CCCV and CC is <0.5C
Tempeature23±2℃,charge end with 2.5h or current drops to 0.02C
Standard Discharging Method
Constant Current Discharge with 1C
Discharge Time: Less than 10 s(at23±2℃)
Retention ≥70% of initial capacity