Solar Generator doesn't require batteries, 12V & 120V household power – Cutting Edge Power
Mini 12V CW/CCW Permanent Magnet DC Motor Reversible Electric Gear Motor High Speed Low Noise for for DIY Generator(DC 12V 3500RPM): Amazon.com: Tools & Home Improvement
KACIO RS445-1 12V 1A DC Generator with Digital Voltmeter for Whippet Steam Engine - Stirlingkit
Walfront Mini DC Water Turbine Generator Water DC 12V 10W Micro-hydro Water Charging Tool Hydroelectric Power Generator DIY - Walmart.com
High-power Low-speed Permanent Magnet Dc Generator 12v 24v 36v 48v 60v 72v 250w/350w Wind Hand-cranked Hydraulic Foot Battery - Dc Motor - AliExpress
12 volt Generator
Rebuilt 12-Volt Generator, fits '61-'73 Type 3 | Classic VW Parts for Beetle, Bus, Ghia, Thing, Type 3
Amazon.com: Marsrock 600r/m 100W 12V or 24V Permanent Magnet Generator AC Alternator for Vertical or Horizontal Wind Turbine 100W Wind Generator (12V) : Patio, Lawn & Garden