100% Battery-Free, Human-Powered, Hand-Crank Eco Light

Modeled on the kind of manual pencil sharpeners (some of us) students grew up with by the doors of classrooms, this may be one of the more classy and convenient hand-powered lighting concepts yet created. And if that were not enough: as a bizarre bonus, you can even still sharpen pencils with it! A simple

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)

Go Anywhere with Portable Power - Lion Energy

100% Battery-Free, Human-Powered, Hand-Crank Eco Light

Illuminate your world with the hand crank flashlight! This essential tool features 3 small, bright LED lights that provide reliable illumination in

Guyuyii 4 Pack Hand Crank Flashlight, Powerful Emergency Light Safety Tool with 3 LED White Light, Built-in Battery, Crank Flashlights for Camping

Flashlight Hand Crank

LBP 12V 100Ah ECO Lithium Battery – Lithium Battery Power, LLC

100% Battery-Free, Human-Powered, Hand-Crank Eco Light

Emergency 3 LED Wind-up Dynamo Powered Hand Crank Flashlight

With easy to flashlight modes with the user-friendly design, the emergency flashlight radio is very helpful for you to find your way at outdoor

Emergency Radio, 2021 Newest Hand Crank Solar Portable Radio, Esky AM/FM/NOAA Weather Radio with 4000mAh Power Bank, 3 Modes Flashlight Motion Sensor

BGA 57, Battery Handheld Blower

Hand Battery: Chemistry & Electricity Science Activity

Stormproof Crank Radio Light