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21700 Power Bank
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I had to make use of 21700 cylindrical li-ion batteries that lay around, and designed this power bank module :)
Designed for this Type-C USB Charge/Discharge module: https://s.click.aliexpress.com/e/_oln1K4n
Easy to print, minimal support required. No additional parts needed for assembling, it is threaded!
There are 2 body variants; one with the light hole next to the ports, the other one on the side, right at the top of LEDs. I inserted 1.75mm blue transparent filament piece into the hole, and applied very little glue to keep it there. Even the hole next to the ports transmit LED light that is easy to see during daylight. The side-hole variant should be much brighter.
I printed using PETG filament, and works great. You may need to apply a little bit lubricant to screw the rear lid if your print is not so smooth.
Don't forget to share your makes! ;)
Designed for this Type-C USB Charge/Discharge module: https://s.click.aliexpress.com/e/_oln1K4n
Easy to print, minimal support required. No additional parts needed for assembling, it is threaded!
There are 2 body variants; one with the light hole next to the ports, the other one on the side, right at the top of LEDs. I inserted 1.75mm blue transparent filament piece into the hole, and applied very little glue to keep it there. Even the hole next to the ports transmit LED light that is easy to see during daylight. The side-hole variant should be much brighter.
I printed using PETG filament, and works great. You may need to apply a little bit lubricant to screw the rear lid if your print is not so smooth.
Don't forget to share your makes! ;)
sakallipogaca also publishes on
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