Crank Generator & Lightbulb

Hand-cranked generator model DIY, small technology production, scientific experiment, hand-made small hand-cranked generator - AliExpress

72.18 -- Using generators

Electric Generator, hand cranked with clear shell, educational

DIY hand crank generator for emergency light , Free energy device in 2019

This easy-to-assemble DIY STEM kit will let you build your own hand-crank generator and power an ultra-bright COB LED light. There is no soldering required, and all you need is a Phillips screwdriver (see related items.) It comes with detailed, step-by-step instructions. While assembling this kit, your students will develop fine motor skills, learn how gears and electric generators work, and have some fun. Once built, the generator will generate up to 3V 150mA of current.

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Hand-Crank Generator DIY STEM Kit

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Portable Hand Crank Generator Max Power:30W ; Output Voltage:0-28V ; Rated Current:1.5-2A ; Max Current:3A Size: 106*64*39mm ; Generator Net Weight

Hand Crank Generator High Power Charger for Outdoor Mobile Phone Computer Charging 30W / 0-28V with USB Plug (Green Generator + DC Regulator)