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  2. Mechanically powered flashlight - Wikipedia

    en.wikipedia.org/.../Mechanically_powered_flashlight

    The linear induction, Faraday flashlight, or "shake flashlight" is another type of mechanically powered flashlight. It has been sold in the US beginning with direct marketing campaigns in 2002. This design contains a linear electrical generator which charges a supercapacitor which functions similarly to a rechargeable battery when the ...

  3. Battery charger - Wikipedia

    en.wikipedia.org/wiki/Battery_charger

    The charging protocol—how much voltage, amperes, current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged. Some battery types have high tolerance for overcharging after the battery has been fully charged and can be recharged by connection to a constant voltage source or a ...

  4. Cutoff voltage - Wikipedia

    en.wikipedia.org/wiki/Cutoff_voltage

    The cut-off voltage is different from one battery to the other and it is highly dependent on the type of battery and the kind of service in which the battery is used. When testing the capacity of a NiMH or NiCd battery a cut-off voltage of 1.0 V per cell is normally used, whereas 0.9 V is normally used as the cut-off voltage of an alkaline cell ...

  5. 5 simple iPhone tricks that will make your battery last way ...

    www.aol.com/news/2015-07-22-5-simple-iphone...

    1) Turn off the connections you are not using Bluetooth, WiFi and cellular data (3G-4G) are awesome to keep you connected to the world, but they drain your battery like nothing does (except maybe ...

  6. Inductive charging - Wikipedia

    en.wikipedia.org/wiki/Inductive_charging

    Inductive charging is also used in vehicles, power tools, electric toothbrushes, and medical devices. The portable equipment can be placed near a charging station or inductive pad without needing to be precisely aligned or make electrical contact with a dock or plug. Inductive charging is named so because it transfers energy through inductive ...

  7. Daily Life is a Whole Lot Easier With These Awesome Gadgets ...

    www.aol.com/daily-life-whole-lot-easier...

    $38.99 at amazon.com. Wireless Remote Control Electrical Outlet Switch for Lights. Holidays are fun and all until you realize you need to unplug 10 different wires every night to turn off lights ...

  8. The Most Useful iPhone and iPad Keyboard Shortcuts - AOL

    www.aol.com/most-useful-iphone-ipad-keyboard...

    Most useful iPad and iPhone keyboard shortcuts. Thanks to text shortcuts for iPhones, you can communicate fast while out and about. If you are constantly running late, try the shortcut “OMW ...

  9. Apple Battery Charger - Wikipedia

    en.wikipedia.org/wiki/Apple_Battery_Charger

    The Apple Battery Charger is a battery charger which was sold by Apple Inc. and bundled with six AA batteries. It was introduced in July 2010 and marketed as a way to charge Apple's wireless Magic Mouse , Magic Trackpad and Apple Wireless Keyboard . [ 2 ]