Two guys, Abe and Jon, have allowed us to share their great project for making your own bicycle powered generator for charging your electronics with clean energy for every day or as an emergency power supply. Under the Instructables user name abemckay, they guys shared what you need to make your own generator in just nine steps.
24V DC scooter motor
DC-DC battery charger
A car battery, or something similar
Wires for electrical connections and various bike parts and tools.
A multimeter might be useful to check various voltage differentials between different objects.
The specific hardware we used:
Motor: 24V 300W Scooter Motor
Battery: 12V 18 amp-hr lead-acid battery model 7448k51
Charger: Thunder 620 battery charger- 300 Watt 20 Amp
Inverter: 400 Watt inverter Model 6987k22
Click to the next slide to get started on putting this together.