Single 18650 li-ion battery cap and case that fits Maglite 2D cell
thingiverse
Guys, i printed this out on the fast (low resolution) setting of my dremel idea builder model 3D20. It actually works!! I also have a youtube video that will be showing this off as well. Took about 9 hours to design... and revise. You will need 22ga or smaller *higher number". Solder. one (1) TP4056 chip. and an 18650 battery. *your 2 cell maglight is required too*. Dont forget to run the negative wire through the hole to the outside of the thread so that the negative can connect the maglite case itself (required for bulb to light up). And hot glue to ensure that your chip will not move over time. FINALLY Number Dux is coming out.. it will feature a DUAL 18650 Battery design without any modification to your maglite!!! It will be just like this design, it will screw right in after you assemble it.
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