Power Toroidal Transforemr for Solar LED Lighting, Ring Step Up Transformer Power Isolation Toroidal Transformer for Ct Scanner, Audio Toroidal Power Amplifier 230V 12V 40Va Transformer for DVD, 10Va 25Va Pcb Mounting Isolation Toroidal Transformer With Ce Approval Grewin, Wind Equipment Toroidal Transformer Electric Single Phase Transformer for Wind Energy ...

Hand Crank Generator, Emergency Preparedness, 12V Generators, Pedal Power Generator, Human Power Generator; generate electric power and charge a 12 volt battery. Power small appliances while biking indoors, or store electric power in batteries for later use. Teach about electricity, Electronic Batteries, Electrical Equipment, Small Appliances, Batteries ...