Make a Human Powered Mobile Phone Charger

3218 Views • Created 9 years ago By ElectroBOOM • Updated about a year ago

Created By ElectroBOOM • Updated about a year ago

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Origin Entry: Make a Human Powered Mobile Phone Charger

Description

Don't you wish you could charge your cell-phone anywhere outdoors? A human-powered hand-cranked charger is a good way to do it.