Laptop Powerwall 107 - 24-cell 18650 charger with voltmeter

I've just finished building a new 24-cell 18650 charger - this time with a voltmeter so I can quickly check if a cell is already fully charged.

Voltmeter I used:

TP-4056 Modules I used:

This will be used by the Lucid Dream Bikes community arts project to charge cells for their small battery packs:

More Powerwall links at:

18650 t-shirts:
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