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A Better Battery Powered LED Strip Light Kit
How long can a cellphone battery(pictured) power a LED light that produces light equivalent to traditional 60W bulb(800 lumens)? - Physics Stack Exchange
LED Recessed Lighting Kit for 5" or 6" Cans - Retrofit LED Downlight w/ Open Trim - Dimmable - 1865 Lumens | Super Bright LEDs
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3 Simple Ways to Light an Led Bulb with a Battery - wikiHow
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