Disassembly of einhell sandpaper machine and repair of lithium battery

Disassembly and maintenance of Einhell sandpaper machine
Repair the 18V lithium battery. The cells are unbalanced and some cells are self-discharging and heating up. Replace all cells. After restoration it is in perfect condition.

[@Unboxing.Channel]

👌👌👌👌

[@user-xs1ex6ev4i]

Marca brasileira Einhell 🇧🇷🇧🇷🇧🇷

[@ilkerkermen2077]

excuse me: I have no idea about it, why double sheet ?

[@RefurbishmentKJ]

Copper has lower resistance and can pass greater current.🤝🏻