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Rechargeable MintyBoost

I think the mintyboost is awesome, but at walmart i saw a MusicPower Encore for like $30 bucks and thought it could be much cheaper made from scratch. Basically it is just a lithium battery pack that recharges when pluged into ac and has two usb ports that can power devices from the mains when plugged in or from the battery when not. I think this would make a fantastic instructable; maybe use a cell phone battery(or two) or rechargeable AAs. I can just picture an altoids can hanging from an outlet with a flashing led or something. Also two usb ports would be a great addition to any mintyboost project.

Flumpkins8 years ago
What's a mintyboost?
Awesome!