Life expectancy of a 18650

[CRX]

You could also hook up the volt meter Kodachrome40 linked to a TP4056 charger board to make one of these and have a handy compact charger/volt meter in one.

Review / Measurement: Charger module with TP4056 controller

Charger module with TP4056 controller [image] Click for larger picture This charger is a very small module for DIY people, it uses the TP4056 controller and standard configuration is with 1A charge current. It does not include any power supply or tray. It did not include any documentation either, just a couple of boards. The review is about a specific charger module, but any module with the TP4056 will have identical performance. [image] [image] I got it in an envelope with 5 cir…

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