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2. Mechanically powered flashlight - Wikipedia

   en.wikipedia.org/.../Mechanically_powered_flashlight

   A dyno torch, dynamo torch, or squeeze flashlight is a flashlight or pocket torch which generates energy via a flywheel. The user repeatedly squeezes a handle to spin a flywheel inside the flashlight, attached to a small generator/dynamo, supplying electric current to an incandescent bulb or light-emitting diode. The flashlight must be pumped ...

3. Flashlight - Wikipedia

   en.wikipedia.org/wiki/Flashlight

   "Keychain" type lamps operating on button batteries, or lights using a single 5 mm LED, may only produce a few lumens. Even a small LED flashlight operating on an AA cell, but equipped with an LED, can emit 100 lumens. The most powerful LED flashlights produce more than 100,000 lumens and may use multiple LEDs. [14]

4. Maglite - Wikipedia

   en.wikipedia.org/wiki/Maglite

   2012: Mini Maglite AA Pro 215 Lumens and Mini Maglite AA Pro+ 245 Lumens. 2012: Maglite 2D pro 274 Lumens with a Cree XP-G rather than a Cree XP-E, increasing brightness while decreasing beam distance efficiency. 2012: Maglite Mag-Tac flashlight plain bezel, 310 Lumens, low mode at around 100 Lumens. First Maglite flashlight to use CR123A ...

5. Searchlight - Wikipedia

   en.wikipedia.org/wiki/Searchlight

   ATS officers-in-training crew a 90 cm searchlight in Western Command, 1944. A searchlight (or spotlight) is an apparatus that combines an extremely bright source (traditionally a carbon arc lamp) with a mirrored parabolic reflector to project a powerful beam of light of approximately parallel rays in a particular direction.

6. Xenon arc lamp - Wikipedia

   en.wikipedia.org/wiki/Xenon_arc_lamp

   15 kW xenon short-arc lamp used in IMAX projectors High-speed, slow-motion video of a xenon flashtube recorded at a speed of 44,025 frames per second.. A xenon arc lamp is a highly specialized type of gas discharge lamp, an electric light that produces light by passing electricity through ionized xenon gas at high pressure.

7. Lantern battery - Wikipedia

   en.wikipedia.org/wiki/Lantern_battery

   Lantern batteries are physically larger and consequently offer higher capacity than the more common flashlight batteries. Lantern batteries comprise multiple cells inside a housing. The most common variant in the US is the 6-volt square-base battery with spring terminals. In Europe the most common one is the 4.5-volt flat pack.