after disassembling the battery, the fuse was broken, the battery came out and unlocked, but the battery couldn't charge, did this battery have another pin configuration, or did the controller not open the MOSFET?
Paste picture of the chip.
did this battery have another pin configuration
Check if there are markings of the pins on the pcb near the connector
Connect BI2 to ground too.
on the connection it reads that there are SW and V5 pins, ground it, no results
Me did not ask to connect SW and V5 pins. It is need to connect BI and BI2 pins to ground.
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