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2. 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.

3. Flashlight - Wikipedia

   en.wikipedia.org/wiki/Flashlight

   The invention of the dry cell and miniature incandescent electric lamps made the first battery-powered flashlights possible around 1899. Today, flashlights use mostly light-emitting diodes and run on disposable or rechargeable batteries. Some are powered by the user turning a crank, shaking the lamp, or squeezing it

4. Solar street light - Wikipedia

   en.wikipedia.org/wiki/Solar_street_light

   Solar street lights are raised light sources which are powered by solar panels generally mounted on the lighting structure or integrated into the pole itself. The solar panels charge a rechargeable battery, which powers a fluorescent or LED lamp during the night.

5. Home automation for the elderly and disabled - Wikipedia

   en.wikipedia.org/wiki/Home_automation_for_the...

   The unit has a built in rechargeable battery backup and the ability to notify the control center if the battery is running low or if the system loses power. Modern systems have active wireless pendants that are polled frequently advising battery, and signal strength status as older style pendant could have a battery that has failed rendering ...

6. 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.

7. Pendant light - Wikipedia

   en.wikipedia.org/wiki/Pendant_light

   A pendant light, sometimes called a drop or suspender, is a lone light fixture that hangs from the ceiling usually suspended by a cord, chain, or metal rod. [1] Pendant lights are often used in multiples, hung in a straight line over kitchen countertops and dinette sets or sometimes in bathrooms.