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
12V 1500W Permanent Magnet Synchronous Generator Low Rpm Alternator Permanent Magnet Synchronous Generator PMA AC Charging And Lighting Double Head AC Alternator Lilting Charging - Walmart.com
DC Motor, low speed gear motor, 3-18 Volt (Also a generator) - ScienceKitStore.com
Amazon.com: HUIZHITENGDA Low RPM 600R/Min 10000W 110V/220V Small Permanent Magnet Generator Ac Alternator for DIY Your Own Horizontal Wind Turbine,12v : Patio, Lawn & Garden