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2. Rechargeable battery - Wikipedia

   en.wikipedia.org/wiki/Rechargeable_battery

   A rechargeable battery, storage battery, or secondary cell (formally a type of energy accumulator), is a type of electrical battery which can be charged, discharged into a load, and recharged many times, as opposed to a disposable or primary battery, which is supplied fully charged and discarded after use.

3. The 20 best gifts for parents of all ages - AOL

   www.aol.com/lifestyle/best-gifts-parents...

   The 46 built-in LED lights have three settings: white, warm, and cold light, and the mirror also has a memory function to store the last setting used. $30 at Amazon American Lifetime

4. Flashlight - Wikipedia

   en.wikipedia.org/wiki/Flashlight

   The light measurements are more directly related to the use of flashlights than is the nominal power input to the lamp (watts), since different LED and incandescent lamp types vary widely in the amount of light produced per watt. Even the same LED or lamp in different optical systems will show different beam characteristics.

5. Mechanically powered flashlight - Wikipedia

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

   The best designs use a supercapacitor instead of a rechargeable battery, since these have a longer working life than a battery. This, along with the long-life light-emitting diode which does not burn out like an incandescent bulb, give the flashlight a long lifetime, making it a useful emergency light. A disadvantage of many current models is ...

6. Maglite - Wikipedia

   en.wikipedia.org/wiki/Maglite

   1982: MagCharger: a larger more expensive model popular with public safety and emergency-services personnel. This light is much brighter than typical Maglites, and uses an incandescent Halogen bulb and a rechargeable NiCad or NiMH battery pack. 1984: Two AA cell batteries (Mini Maglite) Maglite's first personal size flashlight

7. Lantern - Wikipedia

   en.wikipedia.org/wiki/Lantern

   A lantern is a source of lighting, often portable. It typically features a protective enclosure for the light source – historically usually a candle, a wick in oil, or a thermoluminescent mesh, and often a battery-powered light in modern times – to make it easier to carry and hang up, and make it more reliable outdoors or in drafty interiors.