Black Modern LED Mini Desk Light - USB or Battery Power Review

Average Reviews:

(More customer reviews)I love this little light! I was hesitant to try it since I couldn't find any reviews about it, but I am very pleased with it's light output.
PROS:
*It's bright enough to read by. I compared it to another little USB light I bought on Amazon (the Ultra USB Notebook Light) which has only one bulb. That one give you a good little spotlight, but just in a focused spot, which might be good for lighting your keyboard. This light gives a good flood of light over the whole work area, and as I said, is strong enough to read by.
*The light is white and not blue like LEDs can be sometimes.
*I loved that you have the choice of powering it through the USB, or putting 3 AAA batteries in it to power it that way. I suspect you could also use a wall AC adapter, but I haven't tried that yet. I also don't yet know how long the batteries last.
CONS:
*The only problem with it is, even with batteries in it, it has a tendency to want to tip forward. To me that's not too big of a deal since I could readjust it's center of gravity (move the head around) and it would stop trying to tip. I suppose you could add a weight to the back to help this too.
Overall, I recommend this light if you want an inexpensive light that's pretty small, plugs into USB port, and has multiple uses thanks to the batteries so you can take it places (like camping).


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Ritelite LPL792 5-LED Computer Light, Metal Review

Average Reviews:

(More customer reviews)As the specification for USB current draw on the power (+5V) is 500 ma, I got to wondering how much my Ritelite LPL792 light actually uses of that 500 ma available when attached to a normal USB port - I was concerned that, due to it's brightness, it would exceed the maximum current draw spec for USB and possibly damage my computer.
So,I measured the USB current used by this light.
I hooked it up to a quality 5V power brick that is capable of producing up to 3 Amps (it is complete with ferrite noise filter sleeve) and I tested the light for function first: Bright; Dim; and Off. It worked the same as when I have it plugged into my computer's USB port.
Then, using an accurate digital desktop multimeter, I measured the current draw - Here are the results:
Bright: 188 ma
Dim: 95 ma
Off:0 ma
So there are no worries that this light will exceed the 500 ma maximum spec for your USB port!
I got this light from Amazon because the single LED light I had purchased at Staples just didn't put out sufficient light to my eMachines laptop keyboard for use in a darkened room. The Ritelite LPL792 light does.
So I gave it 4 stars because it works very well (but it was slightly difficult to place it so that my hands don't block the light while keying).

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This laptop plug in light comes with five super bright white LED's that last up to 100,000 hours. No batteries required; the LED light plugs directly into the USB port on any computer or other device. This laptop computerlight has dual light output; the super bright white light illuminates from the front and the soft blue up-light illuminates from the back for reduced eyestrain. Features one-touch ON/OFF/DIMMER operation. Press once for full brightness, again for softer light and a third time to turn the light off. This USB light has an 8" flexible neck for positioning at almost any angle. Perfect for school, home, the office, travel and much more! Assembly level/degree of difficulty: No Assembly Required.

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