I have a problem with this method... As mentioned in many of the videos "if one cell fails, it can cause a problem for the whole pack." Some of these people shrug their shoulders when this happens and either chuck the whole pack or try to salvage it. It's a lot of work to salvage the pack for one cell (depending on the size of the pack). Not to mention a worst case scenario of one of those cells (specifically an 18650 Li-ion cell) going rouge and exploding/catching fire and starting a chain reaction with the other cells.
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