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2. Mechanically powered flashlight - Wikipedia

   en.wikipedia.org/wiki/Mechanically_powered...

   Another common type is the windup or crank-powered flashlight, with the light powered by a battery which is recharged by a generator turned by a hand crank on the flashlight. One minute of cranking typically provides about 30 to 60 minutes of light.

3. Freeplay Energy - Wikipedia

   en.wikipedia.org/wiki/Freeplay_Energy

   In present Freeplay radios and other products, clockwork mechanisms storing energy in a mainspring have now been replaced by small batteries charged by cheaper hand-crank generators. [9] Freeplay Energy produces a variety of consumer devices in addition to radios, including flashlights, lanterns, mobile phone chargers, and foot-powered generators.

4. Midland Radio - Wikipedia

   en.wikipedia.org/wiki/Midland_Radio

   Both are equipped with hand cranks and solar for a sustainable, back up power source. Multiple power source options - USB, LED flashlight, Hand Crank and rechargeable batteries. Two -Way Radios. Midland Radio offers four lines of two-way radios: X-Talker, LXT, GXT and XT511; MicroMobile

5. Winter storms are hitting the U.S. Here's how to keep your ...

   www.aol.com/lifestyle/stay-safe-warm-winter...

   Flashlights and extra batteries. A manual can opener. Cellphone charger with, if possible, a rechargeable backup battery. If your power does go out, you can take steps to keep your home warm ...

6. Battery charger - Wikipedia

   en.wikipedia.org/wiki/Battery_charger

   A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage , amperes, current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.

7. Emergency radio - Wikipedia

   en.wikipedia.org/wiki/Emergency_radio

   Commonly, such radios are designed to use minimal battery power, and a common feature (especially on units sold in less-developed countries where electrical supplies may be unreliable or nonexistent) is a hand-cranked electrical generator along with a rechargeable battery to store the generated energy (the device is sometimes known as a ...