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Amazon.com: HPG-75 Human Power Generator Permanent Magnet DC Dynamo Emergency Backup STEM Power 0 to 50 Volts DC : Electronics
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Simple system brings body-powered electricity a step closer – Physics World
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The Pedal-A-Watt Bicycle Generator is a pedal power generator that uses your bicycle to create electricity. Want energy independence? Worried about a power outage? Want to capture electricity from your workouts? The
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