How to repair laptop battery BMS circuit (No Output) - YouTube
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Laptop Battery Spare Cabinet, PCB, Label for 8460/E6400/SL410 /NC6100 /1525 /5024 /E5400 /3817 at Rs 250 | HP Laptop Battery in New Delhi | ID: 26158806448
This is a battery of laptop and I'm curious to know the function of the 4 wires soldered to PCB obviously the red and black are postive and negative and what is
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