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2. Headlamp (outdoor) - Wikipedia

   en.wikipedia.org/wiki/Headlamp_(outdoor)

   Battery-powered headlamps with incandescent bulbs were used until the advent of LED lamps with much higher efficiency and consequently longer battery life. Thomas Edison developed electric cap lamps for miners in 1914; by 1915, certain cap lamps were approved by the United States Bureau of Mines for safe use where there may be inflammable gas ...

3. Solar lamp - Wikipedia

   en.wikipedia.org/wiki/Solar_lamp

   A garden solar lamp A child in Zambia studying by the light of a lamp charged by solar power during the day. A solar lamp, also known as a solar light or solar lantern, is a lighting system composed of an LED lamp, solar panels, battery, charge controller and there may also be an inverter.

4. Luci (lantern) - Wikipedia

   en.wikipedia.org/wiki/Luci_(lantern)

   The original device consists of an inflatable LED lantern rechargeable by solar light. [ 13 ] [ 14 ] There are various models of Luci on the market today. Depending on the specific model, they generally take 7-25 hours of direct sunlight to charge [ 15 ] [ 16 ] and are able to provide 6-50 hours of light depending on the light mode and model ...

5. Solar street light - Wikipedia

   en.wikipedia.org/wiki/Solar_street_light

   The life cycle of the battery is very important to the lifetime of the light and the capacity of the battery will affect the backup days of the lights. There are two types of batteries commonly used in solar-powered street lights- gel cell deep cycle batteries as well as lead acid batteries.

6. Light tower (equipment) - Wikipedia

   en.wikipedia.org/wiki/Light_tower_(equipment)

   Normally the lamps are metal halide bulbs and the generator is powered by a diesel engine. However, battery-powered, solar-powered and hydrogen-powered sets are available; light towers with electrodeless lamps lighting are also sold. Modular kits permit separation of the generator set, trailer, lights and mast from each other.

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