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Shake Flashlight Magnetic Induction Bright LED Rechargeable Flash Light

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Currently unavailable.
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  • Super bright blue/white LED bulb
  • Simply shake to recharge flashlight
  • Powered by principles of Faraday's Principle of Induction
  • Never needs batteries, never needs bulbs, maintenance free
  • Save money - never have to buy batteries
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Product Information

Technical Details
Part Number SF-100
Item Weight1.6 ounces
Product Dimensions11 x 1.8 inches
Item model numberSF-100
ColorClear Plastic
MaterialPlastic, metal
Power SourceRechargeable
Item Package Quantity24
Type of BulbLED
  
Additional Information
ASINB000637LTY
Best Sellers Rank #94,981 in Home Improvement (See top 100)
Shipping Weight1 pounds
Date First AvailableApril 25, 2006
  
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Product Description

The Shake Flashlight uses no batteries or bulbs. Instead it uses Faraday's Principle of Magnetic Induction and a super bright LED to produce light without batteries. The flashlight is shaken for a few seconds to recharge an internal capacitor and it will then provide upto an amazing 10 minutes of light. Shake it longer for up to 30 minutes of constant 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 shaken for 10-15 seconds for every 2 to 3 minutes of super bright light. The light requires no maintenance so it can be left in your home or car for a longtime but will still be ready to produce light. The bright LED will last for thousands of hours and does not burn-out like a typical lightbulb - it should never need replacement. Great for home, car, camper, boat, or emergencies. Imagine exploring without the fear of ever running out of light. No need to worry about light if your car dies during a dark and stormy night. You'll be in great shape even if you have to signal for help in the pouring rain because it's 100% waterproof. The light it emits is twice as bright as an ordinary flashlight and is visible for up to one mile. This is a flashlight that never needs batteries, replacement parts or even bulbs for that matter. Now that's peace of mind.

Customer Questions & Answers

Customer Reviews

China makes GARBAGE.
Robert G. Summers
It broke right away and takes 5 minutes of shaking for about 5 seconds of light.
Kaitlin
You will have to shake it frequently to keep it charged.
Sean Powers

Most Helpful Customer Reviews

86 of 87 people found the following review helpful By Sean Powers on November 9, 2005
I have been purchasing a few of these self charging flashlights lately to find the best one.

This one puts out a a poor amount of light. It also does not retain its charge well. You will have to shake it frequently to keep it charged.

I would say it is one of the worst ones I purchased.
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50 of 52 people found the following review helpful By Uncle Sam on April 28, 2006
Don't ever buy this. It is a rip off and a gimmick. Your hands will get tired really fast for shaking the flashlight and 30 seconds of shaking will not even get you 5 minutes of light with consistent brightness. Even more the light dims almost instantly after shaking with no retention of charge whatsoever. Other flashlights that require cranking can give up to 2 hours of light for 1 minute of cranking if you get the right one.
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31 of 31 people found the following review helpful By A. Creeth on April 5, 2011
Verified Purchase
I am an electrical engineering student and I bought this to study the coil generator for a project I am doing. It turns out this is not a shake flashlight at all, and is powered by little batteries. The "magnet" is actually just a piece of non-magnetic metal. The "coil" is just gold colored paper. If you don't believe me, just screw off the top and look inside. You don't need to know a thing about electrical engineering to see that there are no wires going from the coil, or that it's made out of paper. This is a complete scam from china. Avoid at all costs.
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42 of 50 people found the following review helpful By AGNAZZO on November 10, 2005
LIVING IN FLORIDA I BOUGHT TWO OF THESE EVERLIGHT FLASHLIGHTS.

THE PARTY THAT SAID THERE WAS ENOUGH CHARGE DURING SHIPPINS IS A LITTLE SHAKING IN THE HEAD. IT TAKES AT LEAST A COUPLE OF MINUTES OF OF SHAKING BEFORE THERE IS EVEN A GLIMMER OF LIGHT. AFTER THAT IF YOU DON'T CONTINUE TO SHAKE IT DIES OUT VERY RAPIDLY.

THIS LIGHT MAY POSSIBLY COME IN HANDY DURING A HURRICANE POWER FAILURE BUT THERE ARE OTHER LED FLASHLIGHTS WITH BATTERIES THAT ARE SUPERIOR TO THIS ONE. THE POWER USED BY THESE LEDS IS LOW AND THE BATTERIES LAST A LONG TIME.
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7 of 7 people found the following review helpful By Alfredo Ramirez on April 20, 2011
Verified Purchase
As noted in another review, this is not in fact a hand-powered flashlight. The 'coil' is a piece of foil and the 'magnet' is a piece of lead. The flashlight is actually powered by batteries. Save your money.
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8 of 9 people found the following review helpful By Green Girl on January 7, 2009
I am helping my son with an electromagnetic induction science fair project and have studied extensively the requirements for these types of flashlights to operate. This flashlight is better than the 'fake' shake flashlight we'd previously ordered for $2.35 at amazon.com, because it actually uses a real NIB magnet and appropriate circuitry. However, the reed switch (which uses a small magnet to connect the capacitor's stored potential to the LED)doesn't work. Thus, the LED won't light. I'm very disappointed with this purchase. There are genuienly amazing shake flashlights that, both in function and design are truly brilliant devices, but they cost a lot more than this flashlight, so it seems that the old saying, "you get what you pay for", is proven true, once again.
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10 of 12 people found the following review helpful By Jenny nice on January 15, 2007
This item was purchased as a gift and I was very unhappy when I received the item. The box it came in was very bent up and the top of the box would not even close properly. The flashlight was missing the cord to hang it from and it was hard to get to work after following the directions. I would not buy this product again.
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7 of 8 people found the following review helpful By Arthur Senior on February 16, 2010
OPERATING: Just like the larger shake lights, you have to shake them back and fourth to charge the capacitor. You can visit their website for the detailed expert instruction on how these lights work. Basically what happens is, as the magnet moves back and fourth inside the coil, the magnetic field produced by the magnet, creates a electric charge through the coil. This electric charge is then past on to the capacitor. Then the power stored in the capacitor is then discharged into the LED inside the lens.

MINI LIGHT: The mini lights are, well, mini, small enough to fit in your pocket, yet still contain the regenerative ability to recharge. Its just all the parts are made smaller, smaller coil, smaller magnet, smaller capacitor. And that becomes the downfall over the mini lights is the smaller capacitor. It does not hold nearly enough power to power this light for an extended period, and nor will it continue to store power after 24-hours have gone by while not in use. I just don't like them because they don't put out nearly enough light for me. Good stocking stuffer though! lol You have to keep holding the button down for it to light up.

STANDARD LIGHT: The standard lights are bigger, I like this because I can hold them in my whole hand, gives me a better grip that way. The parts inside are bigger, including the capacitor. I like these lights much better because the capacitor is actually large enough to hold a charge to make these lights useful! And if I choose not to use the light for a week, or a month, the capacitor is still holding the charge! This makes them much more useful in my opinion. And on top of that, they are bright too, still use a single LED, but actually illuminate enough to be worth something. You still have to continue to hold the button down to light up.
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