Faraday Flashlight, retail $17.95 (www.carolwrightgifts.com...)
Manufactured by Everlifelight (www.everlifelight.com)
Last updated 11-02-07

The Faraday Flashlight is a flashlight that never needs batteries or bulbs, and never needs to be plugged in either. So it will always work when you need it. Whenever you need light, just shake the Faraday Flashlight for a couple of minutes, and presto! Light!

There is a magnet free inside the barrel, and a rubber bumper at each end to cushion things when the central magnet reaches its travel limit.


After being certain the flashlight is off, hold it parallel to the ground and shake it back and forth (so the magnet passes back and forth through the coil) for 120 seconds (for the large), or 180 seconds (for the small). The magnet should pass through the coil approximately 3 times per second while you're charging the flashlight.

Remember, this flashlight uses powerful magnets, so you want to keep it at least 16" from such articles as TV sets, computers, computer monitors, computer diskettes, audio & video tapes, bank cards, and other items that should be kept away from magnets. I verified that both flashlights have real magnets in them by bringing them close to the face of a CRT computer boob tube, and observed discoloration on the screen consistent with the monitor being exposed to a strong magnetic field. This occurred with both flashlights.

To turn the large flashlight on, press & release the button on the barrel.
To turn it off, just do the same thing.

To turn the small flashlight on, press and hold down the button on the barrel.
Release pressure to turn it off.

Because this product does not use batteries, this section can be skipped.
See the section directly above to learn how the flashlight is charged.

This is not a flashlight that you carry around all the time, it's a flashlight that's most useful in emergencies or when you just can't get batteries. It would be good to use for changing that pesky fuse in the basement, finding other articles (like flashlights) in a power outage, and stuff like that. And if you can't get batteries for whatever reason, it will provide light without them and when other flashlights have long since quit working.

Most of the LED light comes out the front; a little comes out the sides through the bottom of the LED and out through the platform it's mounted on. This lights up most of the plastic pieces inside the head, but in my opinion, not bright enough to be bothersome. One benefit here is that you can tell if you left the flashlight on when you set it face down on a shelf or other flat surface, even if that surface is flat black. Not that it matters much because this light does not need batteries, but it can be bothersome to some users.

You really, really, really, REALLY do not want to use the Faraday Flashlights at work if you're a proctologist (also known by some people as an "{vulgar term for toilet muscle; has a couple of "s"s and an "a"}hole doctor or a butt doctor) primarily because of the short duration of useful light per charge, but they should serve well in emergency situations ranging from minor (like changing a fuse in a dark basement) to major (such as after a hurricane or tornado) because you never have to buy batteries or bulbs for them.

The small Faraday Flashlight is splatter-resistant at maximum; the large Faraday Flashlight is waterproof and even submersible to shallow depths at minimum.

The advertised duration (runtime) is 3 minutes for the large, and 2 minutes for the small; they will then need to be shaken to charge again. According to the instructional materials (a "how to use" leaflet) furnished with the Faraday Flashlights, subsequent charging (shaking) (after the first charging) is at least 1 minute for the large, and at least 2 minutes for the small.

Beam photo (large unit) at ~12".
Measures 34,800mcd on a Meterman LM631 light meter.
This is a peak value; it will decrease as the capacitor is discharged.

Beam photo (small unit) at ~12".
Measures 12,300mcd on a Meterman LM631 light meter.
This is a peak value; it will decrease as the capacitor is discharged.

Spectrographic plot
Spectrographic analysis of the LED in this flashlight (large).

Spectrographic plot
Spectrographic analysis of the LED in this flashlight (small).
Ocean Optics USB2000 Spectrometer on loan from WWW.TWO-CUBED.COM.

Test units were purchased at the Carol Wright Gifts website on 07-01-07, and were received on the afternoon of 07-10-07.

UPDATE: 11-02-07
I received a box from DHL yesterday...it contained two Farady Flashlights, and the outside of the box was marked "DHL SHIPMENT RECOVER CTR" (dated 11-01-07) - yet the recipient's address was me at The LED Museum. I guess that means now I have spares and can bash them open to check them for candiosity...er...uh...bash them open to see how the insides are connected. I'm not saying that I *WILL* smash them open, but I can if I really want to because I have extras.


Charging can resemble a "spanking the monkey" motion to some observers

    PRODUCT TYPE: Batteryless LED Flashlight
    LAMP TYPE: 5mm white LED
    No. OF LAMPS: 1
    BEAM TYPE: Wide spot with dimmer penumbra and dimmer corona
    SWITCH TYPE: (large) Pushbutton on/off on barrel) (small) Momentary button on barrel)
    BEZEL: Plastic; LED and reflector protected by lensed plastic window
    BATTERY: None
    CURRENT CONSUMPTION: Unknown/unable to measure
    WATER RESISTANT: Large one is, small one is only splatter-resistant
    SUBMERSIBLE: Large one is, small one is not
    WARRANTY: Unknown/not stated


    Star Rating

Faraday Flashlight * www.carolwrightgifts.com...

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