LiIon 18650 Charger with TP4056 Module
thingiverse
Another LiIon Charger case. Biggest problem for me was until now, that good cotact to the LiIon battery was mostly poor. PLA is pretty brittle and not a good material for spring loads. So I decided to create a steel spring load with M4 screws and nuts. As TP4056 modules are different in make sometimes, I added a stl-file for experimenting the best fit with your individual TP-module, rework it with TinkerCad or whatever you prefer and make it fit. Similar thing with the spring assembly, therefore, another test file is added too. For finish I applied foam strips on the bottom side, and self-adhesive felt tape in the battery slot. 2020-10-17: Reworked a little bit.
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