Battery Case 2 x 21700

Battery Case 2 x 21700

thingiverse

Battery case for two 21700 LiIon cells with charging device and voltmeter. Designed in Freecad 0.19. I made this case to get a DIY battery case for my self made bike lights. The switch is for the voltmeter to get information about the exact voltage to prevent low voltage damage. I added a TP4056 to save an external charger. All additional things are available at AliExpress. Keywords: TP4056 clicky switch 1208YD voltmeter hex screw M3 x 25

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