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%