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Foot-Operated Pedal Generator, 50W/100W Hand-Cranked Power Generation Device with USB Interface and DC1-35V Output for Fitness and Rehabilitation Training
Pedal Generator - 50/100 Watt Foot-Operated Portable Energy Solution with Dual USB and DC Output 1-35V - Efficient and Versatile
AYCDL Foot Pedal Power Generator, 100 W 50 W Pedal Generator with Power Storage,Training Device for Rehabilitation, USB Interface Spinning Bike DC 1-35V,100w
Portable Pedal Generator, 50W/100W Hand Crank Power Supply, DC1-35V Output with Dual USB and Power Storage Function for Emergency Use