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All in One Portable Utility Power Bank
Great project. How long the 7 Ah battery last with all the things powered on?
The Ultimate Powerbank
Thank you :-)
The ultimate powerbankView Instructable »
IMPROVISED DYNAMO POWER SUPPLY(with charger ports,led light,mini fan)
Run Windows XP on Android Device
Device Charging with a Multi-turbine (on faucet, wind, bike, while sporting and etc.)
High voltage power supply for Nixies, CFL, Neon-Glow-Bulbs etc. for my steampunk objects
Rechargable pocket sized amplifier
Make a SUPER Joule Thief Light!
Water Powered Flashlight
Water Powered Calculator (Original)
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