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2. Solar-powered flashlight - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_flashlight

   Solar powered lights need not be manually recharged as in the case of conventional battery operated flashlights. [3] Pollution from discarded batteries used in normal flashlights is eliminated. [4] Solar powered flashlights can be used in remote locations where it is impossible to find any source of electricity except for solar power. [4]

3. Maglite - Wikipedia

   en.wikipedia.org/wiki/Maglite

   Maglite flashlights have been known to be used as a ready substitute for a baton. In 2004, the Los Angeles Police Commission moved to use smaller flashlights, with Alan Skobin, the commission vice-president, stating that "This policy makes clear flashlights are for illumination and discourages their use as an impact tool.

4. Flashlight - Wikipedia

   en.wikipedia.org/wiki/Flashlight

   An LED flashlight has a longer battery life than an incandescent flashlight with comparable output. [10] LEDs are also less fragile than glass lamps. LED lamps have different spectra of light compared to incandescent sources, and are made in several ranges of color temperature and color rendering index. Since the LED has a long life compared to ...

5. Flash-lamp - Wikipedia

   en.wikipedia.org/wiki/Flash-lamp

   My appliance comprises a tubular casing A, to be held in the hand, an upright detachable post B, and a horizontal through part C to receive the flash-light powder. The casing A is adapted to contain cells of dry battery, which can be introduced into or removed from the lower end through an opening closed by the sheet-metal screw-cap c.

6. Streamlight - Wikipedia

   en.wikipedia.org/wiki/Streamlight

   Streamlight is a company located in Eagleville, Pennsylvania, United States, that manufactures flashlights powered by various rechargeable and disposable batteries. [2]Their product line features hand-held and weapon-mountable lights [3] as well as a right angle light used by firefighters on their turnout gear. [4]

7. Longest-lasting light bulbs - Wikipedia

   en.wikipedia.org/wiki/Longest-lasting_light_bulbs

   The world's longest-lasting light bulb is the Centennial Light located at 4550 East Avenue, Livermore, California. It is maintained by the Livermore-Pleasanton Fire Department . The fire department claims that the bulb is at least 124 years old, having been installed in 1901, and has only been turned off a handful of times.