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  2. Flashlight - Wikipedia

    en.wikipedia.org/wiki/Flashlight

    An LED flashlight has a longer battery life than an incandescent flashlight with comparable output. [10] LEDs are also less fragile than glass lamps. LED lamps have different spectra of light compared to incandescent sources, and are made in several ranges of color temperature and color rendering index. Since the LED has a long life compared to ...

  3. Mechanically powered flashlight - Wikipedia

    en.wikipedia.org/.../Mechanically_powered_flashlight

    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 ...

  4. These Craftsman 20V Batteries Are 55% Off on Amazon - AOL

    www.aol.com/lifestyle/craftsman-20v-batteries-55...

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  5. Charge cycle - Wikipedia

    en.wikipedia.org/wiki/Charge_cycle

    A charge cycle is the process of charging a rechargeable battery and discharging it as required into a load. The term is typically used to specify a battery's expected life, as the number of charge cycles affects life more than the mere passage of time.

  6. These Craftsman 20V Batteries Are 55% Off on Amazon, So ... - AOL

    www.aol.com/lifestyle/craftsman-20v-batteries-55...

    They’re part of Craftsman’s V20 system of cordless power tools. These Craftsman 20V Batteries Are 55% Off on Amazon, So You Can Charge Up for Cheaper Skip to main content

  7. Solar-powered flashlight - Wikipedia

    en.wikipedia.org/wiki/Solar-powered_flashlight

    A typical solar flashlight can give useful levels of illumination on objects up to 50 metres away, and beam may be visible for much longer distances. The solar cells used for battery charging have an indefinite life expectancy. A solar powered flashlight may give several hours of light after being charged during the day. [3]

  8. C battery - Wikipedia

    en.wikipedia.org/wiki/C_battery

    The C battery (C size battery or R14 battery) is a standard size of dry cell battery typically used in medium-drain applications such as toys, flashlights, and musical instruments. As of 2007, C batteries accounted for 4% of alkaline primary battery sales in the United States.

  9. Get a Free Battery With This Craftsman Drill-Driver Kit ... - AOL

    www.aol.com/lifestyle/free-battery-craftsman...

    In addition to the discount, you get a free battery compatible with other Craftsman tools. Get a Free Battery With This Craftsman Drill-Driver Kit, Which is Already 33% Off at Lowe’s Skip to ...