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2. Need to Work in the Dark? Turn to One of These Editor ... - AOL

   www.aol.com/done-dark-turn-one-rechargeable...

   The included 5,000 mAh rechargeable battery has the highest capacity of any other ... LE’s rechargeable LED Camping Lantern provides a bright 1,000 lumens of light able to travel over 1,640 feet ...

3. 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.

4. Flashlight - Wikipedia

   en.wikipedia.org/wiki/Flashlight

   The first mass-produced dry cell batteries came in 1896, and the invention of portable electric lights soon followed. Portable hand-held electric lights offered advantages in convenience and safety over (combustion) torches, candles and lanterns. The electric lamp was odorless, smokeless, and emitted less heat than combustion-powered lighting.

5. 20 genius gifts that make life easier, from lawn work to laundry

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   There are multiple setup options, too: Use the built-in rechargeable battery or connect it to existing doorbell wires. With 1080p resolution, two-way audio and lots of other useful features, this ...

6. History of the battery - Wikipedia

   en.wikipedia.org/wiki/History_of_the_battery

   Building on earlier work by Edison, Urry decided instead that alkaline batteries held more promise. [24] Until then, longer-lasting alkaline batteries were unfeasibly expensive. Urry's battery consists of a manganese dioxide cathode and a powdered zinc anode with an alkaline electrolyte. Using powdered zinc gives the anode a greater surface area.

7. 20 useful and innovative gadgets to make life easier for ...

   www.aol.com/lifestyle/products-to-make-life...

   Sunbeam 16986 3-in-1 InstaBeam LED Light, pack of 3. ... size using its sharp carbon steel teeth that do the hard work of twisting and unsealing for you. ... in rechargeable battery or connect it ...