Hand crank radios · OEM & private label
Hand crank radios crank-dynamo radios that never wait for batteries or sun
A hand crank radio is built around a dynamo: turn the handle and it charges an internal battery that runs the radio, light and — slowly — a phone. It is the radio that keeps working when stored batteries are flat and the sky is dark. StormForge supplies hand crank radios to preparedness brands, kit assemblers, shelter dealers and distributors.
- Crank dynamo charging a built-in rechargeable battery
- AM / FM / weather band reception by model and market
- Flashlight, USB phone charging, SOS alarm by model
- Crank arm, gearing and handle robustness specified per model
- Solar panel and USB input as secondary charging on many models
How a crank radio works
The crank turns a small generator through a gear train. The dynamo charges the built-in battery, which then powers the receiver, the LED light and the USB output. Cranking at a steady, comfortable pace is more effective than spinning fast. Most models also accept USB charging and many carry a small solar panel as a secondary source.
Crank time vs run time — described honestly
A short session of cranking gives a useful stretch of radio listening at moderate volume; using the flashlight or loud volume uses that energy faster; and charging a phone by crank alone is slow — enough for a short emergency call or message rather than a full charge. Exact crank-to-run-time ratios depend on gearing, battery and load, so we provide per-model datasheet values instead of headline numbers.
Hand crank radio or emergency radio?
- Emergency radio (overview): multi-power emergency and weather-alert radios — solar, crank, rechargeable and replaceable batteries — for households, kits and shelters.
- Hand crank radio (this page): models built around a crank dynamo, for buyers who want a radio that never depends on stored batteries or sunlight.
Buyers who want the broadest feature set and alert functions usually start with our emergency radio overview; buyers whose priority is independence from batteries and sunlight choose a crank-first model.
What to specify
For a crank-first SKU, specify crank arm length and folding mechanism, gear and handle material, battery capacity, bands, light type, USB output and housing color. Ask for a crank durability description from the factory for your QA review. Pair with solar lanterns, emergency blankets and tornado shelter dealer kits.
Compliance, honestly
We do not claim FCC, CE, NOAA Weather Radio, Public Alert or any other certification by default. Radios are built to the standards you specify and test reports available for a given model can be provided on request.
Typical hand crank radio specifications (by model)
| Parameter | Typical options |
|---|---|
| Primary power | Hand crank dynamo charging built-in Li-ion or NiMH battery |
| Secondary power | USB input; solar panel and AAA backup on many models |
| Bands | AM / FM; weather band on suitable models |
| Outputs | USB phone charging (slow by crank), LED flashlight, SOS alarm |
| Crank | Folding crank arm, gearing and handle material per model |
Crank-to-run-time and charging figures given per model on the datasheet; no certification implied.
Customization options
Branding
Logo, housing colors, labels.
Features
Bands, battery, light and outputs per model.
Manuals
Cranking and charging instructions in your languages.
Packaging
Color boxes, kit packs, retail displays.
No certification claimed by default. We do not claim FEMA, Miami-Dade NOA, UL, ETL, IEC, ASTM or any other approval, rating or test result. Products are built to customer-specified standards; test reports can be provided on request where available.
Frequently asked questions
How long does a hand crank radio play per minute of cranking?
It depends on gearing, battery and volume; we give per-model figures on the datasheet rather than a generic number.
Can a crank radio charge a phone?
Yes, through its USB output, but cranking alone charges slowly — useful for an emergency top-up, not a full charge.
What is the difference from your emergency radio page?
The emergency radio page covers multi-power radios in general; this page is for crank-first models where the dynamo is the main power source.
Are your radios and lanterns FCC, CE or UL certified?
We do not claim FCC, CE, UL or any other certification or test result by default. Products are built to the standards you specify on the RFQ, and test reports available for a given model can be provided on request. Radio, battery and labeling compliance for your market remains the brand owner’s responsibility.
Related pages
Sourcing hand crank radios?
Send bands, crank and battery specs, features, branding and quantities.