Inside Laptop Battery | Old Laptop Battery Using #shorts #battery #lithium

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I bought a laptop battery from the Chandni Market in Kolkata, and this battery is an old one.It cost only 100 taka, so when I got home and opened it, I saw that there were many batteries in it.After checking the batteries one by one, I saw that all my batteries were fine, except that the BMS of my battery had gone bad.And for a very small amount of money, just 100 taka, I got six lithium-ion batteries that are completely fine.
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