Foot Pedal Power Generator, 100 W 50 W Pedal Generator with Power Storage,Training Device for Rehabilitation, Usb Interface Spinning Bike DC 1-35V (50W), White,100W

CGLYYDS Foot Pedal Power Generator, 100 W 50 W Pedal Generator with Power Storage,Training Device for Rehabilitation, Usb Interface Spinning Bike DC 1-35V (50W), White,100W

DC 6-60V 12V 24V 36V 48V 30A PWM DC Motor Speed Controller PWM Speed Adjustable Stepless Governor Regulator, Motor Speed Controller with Start Stop Switch

OTOTEC For Wind Turbine PMA 350W Electric Motor Permanent Magnet Generator DC 24V Electric Scooter DC Motor