K-tor Power Box 20 Watt Pedal Generator, Can Charge a 12 Volt Battery, Bundled with Powersteam 12 volt charger and Cree Rechargeable flashlight with integrated USB
watt for What: Maximizing Bicycle Charging Efficiency – PedalCell
Amazon.com : Pedal Power Bicycle Generator Emergency Backup Power System 500 Watts 12 Volts, 24 Volts, 48 Volts Direct Current Lead Acid Battery Charging System : Crank Generator : Patio, Lawn & Garden
How to Build a Practical Household Bike Generator - LOW-TECH MAGAZINE
Electric Pedals
Surprising News About Bicycle-Powered Electricity Generators - Core77
Rim Dynamos Can Now Generate 70% MORE Power Than Hub Dynamos - CyclingAbout.
DIY 'No-welding' pedal-powered generator plans – Renewable Energy Innovation
How to Build a Bicycle Generator : 9 Steps - Instructables
Harnessing pedal power to light up Africa | CNN Business