21700 Lithium Ion Battery Charger Case
thingiverse
This is a case made specifically for 21700 Lithium Ion battery, 2 batteries can be charged at a time in it. The Case houses 1 or 2 cells and it has space to insert 02 TP4056 charging PCBs in it. Internally I have joined both PCB inputs in parallel so that you need not plugin USB charger to both the TP4056 boards. But you can if you want to increase you charging rate. The Case has a bottom half and a Lid upper part. Both fit snuggly together.
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