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Slim Case for simple and double 18650 cell. im printed it in older abs with 0.2 layer maybe its better 0.15 layer for the thread, no supports needed.
This is an ultra compact holder for two 18650 batteries. If you have just a little bit space for placing the batteries, you need this thing. Its walls are very thin, but are even strong. You will have to put two wires between the holes in…
Compact enclosure for the Heltec V4 with two 18650 batteries and a TP4056 charging module. M2.5 screw is required for assembly.
