We use the way not only make the process easier , but also improving the function of the battery.

 

The little difference of capacity 2% eg:  38120(10Ah)  the battery capacity  10.15Ah-10.35Ah

 

the little difference of impedance        5%   eg  38120 £¨10AH£©

 

battery impedance£º4. 2m~4.5m¦¸     

 

the rate of production >98%

 

the rate of  qualification      >99%