Handheld Flashlights

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  • upvoted.top:Shake Flashlight

    Shake Flashlight


    The Forever Compact 7″ Flashlight uses no batteries or bulbs. Instead it uses Faraday’s Principle of Magnetic Induction and a bright LED to produce light without batteries. The flashlight is shaken for about 30 seconds to recharge a capacitor and it will then provide about 5-7 minutes of light. How does this happen? As the flashlight is shaken, a magnet passes through a metal coil which, when you shake, “induces” voltage in the coil generating electricity. During prolonged use it can be shake…

  • upvoted.top:Maglite LED 3-Cell D Flashlight

    Maglite LED 3-Cell D Flashlight, Black


    Visual LED bar graph indicates the presence of voltage. The higher the voltage sensed, or the closer to the voltage source, the more LEDs light up. Bright flashlight illuminates work area and may be used independent of voltage detection function.