Question I have a unusual problem repairing my battery very weird anyone with experience can tell me what I am looking at

Feb 20, 2021
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So I do laptop restorations long time now and this Acer swich 10 shows up. His battery won't charge, he works like a charm tho. I butcher the battery and I see it fell asleep due to lack of charging cells 2.58 volts. I jump start cells with another battery that I use for projects. Then charge them some with current to 10%, then i wake up bms using entry pinholes. It works on battery but Will not charge the battery. I tried driver windows setup power plan, manager battery delete uninstall... Hardware reset pinhole nothing works

battery chip looks fine has some glue residue on it... cells are 3.8 volt paired in parallel. Excellent life 2% wear level... This project totally bummed me out I have no idea why is this happening and what do do... please help
 
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