18650 to doubel Mono Cell
thingiverse
Hello, Here's my solution for adapting a 18650 Cell to a double Mono Cell. After receiving an old flashlight as a gift and the mono cell ran out of energy, I came up with this adapter. For the 18650 cell holder, I used my favorite battery holder, which is: "Flexing battery holders with integrated spring". Thank you, enif. I added an extra slot for a TP4056-Protect board. Caution! The original light bulb from the flashlight was too weak. My light bulb burned out after taking this photo. If you have any problems or suggestions for improving this adapter, please let me know. Sometimes I get stuck in my own ways.
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