By Peggie Scott | Project Leader
Our quest for a power source that will be able to charge several cell phones at a time has had us playing mix and match with off-the-shelf parts. We are looking for components that meet the following criteria: Light weight (to keep shipping costs down) inexpensive and readily available.
We've been able to design a unit that should be able to power at least a few cell phones. Here's the configuration (on paper). We'd love to have your opinions.
Human (could also be from wind or water) power input using a standard bicycle rim with adapted pedals > to bicycle generator > to converter (AC to DC) > to battery (12 volt from a power tool) > to a car cigarette lighter socket. The cell phone plugs into the socket.
The various parts are readily available and not too heavy or large (to keep shipping costs down).
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