Simple DIY PowerBank - 18650 Holder by ssg1712 3d model
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Simple DIY PowerBank - 18650 Holder by ssg1712

Simple DIY PowerBank - 18650 Holder by ssg1712

by Thingiverse
Last crawled date: 3 years ago
3 in 1! 18650 charger, device charger and power bank!
It uses very low cost parts and works fine. Input current (battery charge) - 1A, output (device charge) - 0.5A. It is very small and you always can take as much battery cells as you want it.
Hope a lot of photos will help you to build it!
Partlist:
18650 holder goo.gl/dXNueM
LiIon charger goo.gl/ivtE4W
StepUp converter goo.gl/UB9g8K
Switch goo.gl/XazCMp
M3 square nuts - 2pcs
M3x6 male screws - 2pcs
Wires and tubes

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