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  2. Mechanically powered flashlight - Wikipedia

    en.wikipedia.org/.../Mechanically_powered_flashlight

    The linear induction, Faraday flashlight, or "shake flashlight" is another type of mechanically powered flashlight. It has been sold in the US beginning with direct marketing campaigns in 2002. This design contains a linear electrical generator which charges a supercapacitor which functions similarly to a rechargeable battery when the ...

  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    In present Freeplay radios and other products, clockwork mechanisms storing energy in a mainspring have now been replaced by small batteries charged by cheaper hand-crank generators.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. Flashlight - Wikipedia

    en.wikipedia.org/wiki/Flashlight

    Left to right: 3x AA to D parallel battery converter with rechargeable NiMH AA-size batteries inserted. MY DAY vintage flashlight. It uses 1.5 V D-size batteries. Sofirn SP36 flashlight. It features a 5 V 2 A USB-C charging port to load 3.7 V 18650 rechargeable lithium-ion batteries. The most common power source for flashlights is the battery.

  5. Amazon's rechargeable batteries 'last just as long as ... - AOL

    www.aol.com/lifestyle/recharge-amazon-basic...

    Amazon has a solution in its Basics line: a pack of rechargeable batteries that costs about half that of competing brands. For instance, this 12-pack of rechargeable batteries is just $10, with a ...

  6. Trevor Baylis - Wikipedia

    en.wikipedia.org/wiki/Trevor_Baylis

    Trevor Graham Baylis CBE (13 May 1937 – 5 March 2018) was an English inventor best known for the wind-up radio.The radio, instead of relying on batteries or external electrical source, is powered by the user winding a crank.

  7. Olight - Wikipedia

    en.wikipedia.org/wiki/Olight

    Olight is a flashlight brand [4] that was founded in 2007 by Fox Fan. [5] The brand is headquartered in Taiwan, [6] and has operations in Georgia, United States. [7] Olight specializes in the production of flashlights, [8] including LED flashlights, [9] survival lights, [10] and tactical flashlights. [11] In addition, it also produces headlamps ...