ENERGIZER LED BOOK LIGHT

Energizer LED Book Light, retail $11.49 (www.rightaid.com)
Manufactured by Eveready Battery Company (www.energizer.com)
Last updated 04-15-09




The Energizer LED Book Light LED is a reading light that features a white LED behind a diffusing window, powered by two CR2032 lithium coin cells. It has a flexible neck, so you can put the light where you need it.

It clips onto your book with a built-in clip.


SIZE



The LED Book Light is ready to use right out of the package. The batteries are included and installed when you buy it.

Clip the LED Book Light to the front or back cover of the book you wish to illuminate. Affix it so that the clip portion faces up.

Turn the Trim Flex on by sliding the switch on the light head forward until it clicks two or three times. Turn it off by sliding the switch backward (toward the neck) until it clicks two or three times and won't go back any farther.

Adjust the light head as you see fit by bending the flexible neck. Once you have it adjusted where you want it (within reason, of course), it will stay put.



There are no battery changing instructions on the package, so I'll kinda have to guess here...

Using a #0 phillips screwdriver (3.8mm head is about the largest I would use), unscrew the silvery colored screw on the LED Book Light's body. Lift the cover off, and set it and the screw aside. Remove the two used CR2032 cells, and dispose of or recycle them as you see fit.

Insert the first of two new CR2032 cells in the battery chamber closest to the neck, button-side (-) negative down. Insert the second cell in the second battery chamber flat-side (+) positive down.

Place the cover back over the opening, insert the screw into the hole for it, and tighten the screw.

There, done. :-)
There are battery polarity markings embossed in the bottoms of each of the two chambers, so you can get them in correctly even if you forgot what it reads on this page. ;-)
If your LED Book Light does not work after a battery change, open the cover and be sure you installed the cells correctly.

Advertised battery life is 30 hours.

Current usage was measured at 65.2mA on the batteries that came with it. This will very likely drop quickly; as coin cells are not designed to generate this kind of current for very long.



The LED Book Light is designed to be a reading light, not a flashlight. So I won't whack it against a steel rod, try to drown it in the toilet, run over it, throw it, stomp on it, or inflict other punishmnents upon it that might be inflicted upon regular flashlights.
So this part of the page will be relatively empty.


Beam photo at ~12".
Measures 55,900mcd on a Meterman LM631 light meter.



Picture of the LED Book Light illuminating the pages of a magazine about used up old insulaters.


Spectrographic plot
Spectrographic analysis of the LED in this book light.
USB2000 spectrometer graciously donated by P.L.




TEST NOTES:
Test unit was purchased at a Right Aid in Federal Way WA. USA on 04-11-09.


UPDATE: 00-00-00



PROS:



CONS:



    MANUFACTURER: Eveready Battery Company
    PRODUCT TYPE: Clip-on LED reading light
    LAMP TYPE: 5mm white LED
    No. OF LAMPS: 1
    BEAM TYPE: Diffuse; central hotspot with wider corona
    SWITCH TYPE: Slide on/off on head
    BEZEL: Diffusing plastic window protects LED
    BATTERY: 2x CR2032 coin cells
    CURRENT CONSUMPTION: 65.2mA
    WATER RESISTANT: No
    SUBMERSIBLE: No
    ACCESSORIES: 2 CR2032 coin cells
    WARRANTY: Lifetime

    PRODUCT RATING:

    Star Rating





Energizer LED Book Light * www.energizer.com






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