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Jan Ostman
Published

The Ultimate Mega Power Bank!

I needed a power bank for running my USB powered synthesizers at the campfire while off grid and for hours at a time. Here's how I did it.

BeginnerFull instructions provided1 hour1,413
The Ultimate Mega Power Bank!

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Schematics

Download STL files

STL files for 3D printing the battery box

Download PDF file

PDF file for printing the battery box stickers

Credits

Jan Ostman
34 projects • 165 followers
I'm an embeddeds wizard that can turn any pile of electronic junk to something really great. Mc Gyver style.
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