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2. Headlamp (outdoor) - Wikipedia

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

   Variable light level, and flashing; Motion sensor to allow switching on and off by waving a hand with no need to operate a switch; Optional red light mode to preserve night vision; Both rechargeable and disposable batteries supported, to be able to provide light after the rechargeable battery is discharged

3. 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.

4. 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 ...

5. The 30 Best 'Cool' Gifts for Teens in 2022

   www.aol.com/lifestyle/best-gifts-for-teens...

   A motion-controlled music mixer Rukus FX Music Mixer. ... it has an LED light show and over 80 sound effects. And of course, there's a built-in microphone for vocals. ... Rechargeable battery ...

6. Solar lamp - Wikipedia

   en.wikipedia.org/wiki/Solar_lamp

   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. The lamp operates on electricity from batteries , charged through the use of a solar photovoltaic panel.

7. LED lamp - Wikipedia

   en.wikipedia.org/wiki/LED_lamp

   A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...