External DC power adapter 4 C8 & other
thingiverse
Beta-Version! 04.01.2020 This device allows users to connect 18650 cell flashlights to an external power source. I plan to use it to power a Convoy C8 on my e-bike with a Parkside battery. It's still in development, but it works already. The threaded part is molded by casting, so other 18650 flashlights might work too - but not all of them. After printing, I wrapped the flashlight's thread with aluminum foil and filled the area above the side hole (negative pole) with crumpled up aluminum foil. Then I filled the gap between the thread and the printed cap with hot glue. A thin metal band used for spot welding 18650 cells serves as the positive pole.
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