PURE EV LITHIUM BATTERY REPAIRING AND BALANCING

hello friends
my name is preet sogani from indore m.p.
my WhatsApp number - 789-87-87-87-3
frnds pure ev old model battery have come problem only 15000km to 20000km approx battery balancing problem
and cell damage problem is very common..
don't worry frend if you have watching same problem
cal me any time I can help you
thankyou