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Several reviewers have commented on the hassle involved in changing the batteries which requires a screw driver to unscrew and screw back the faceplate covering the battery housing. I agree that it is a hassle. Even when using rechargable batteries, this light eats thorough them in one evening (at 4 hours or so). After that the light starts to dim. So I needed a solution. However, in lieu of a dedicated power adapter, on a whim i decided to try USB as a power source as i had a spare USB to male cable lying around after purchasing the netgear wnce2001, and not using the USB power adapter cable that came with it. The input specification on the ottlight says "6V 600mA" and USB produces 5V, and while I'm not an expert on the various nuances of USB power delivery specifications, 600mA certainly sounded very reasonable i.e. not a "high powered" device like the ipads, while 5V wasn't quite 6V, it may not matter (I'm speculating that perhaps the voltage is further regulated internally so the actual input voltage doesn't actually matter, as long as it's high enough but not too high, of course). Anyway, I plugged it in (tried both desktop and laptop), and lo and behold light! as bright as using freshly charged batteries. So, with this impediment out of the way as i normally use the lamp together with my laptop as a supplementary light i give it 5 stars! This one little change makes the light truly portable, and hassle free.
Now that i think of it, i was using the sanyo eneloop batteries, which have a nominal voltage of 1.2V instead of 1.5V for non-rechargables, so that makes it 4.8V (for four batteries in series) ! So it makes perfect sense that 5V should work also, after all, the manufacturer has to allow for the possibility of using rechargable NiMh batteries.
By the way, i forgot to say that light quality is excellent, very white and bright. You can actually turn the angle of the light almost to about 80 degrees. I wasn't really aware of that until recently (I used to keep it at about 65 degrees or so for fear of breaking the part where it hinges together, but now i see that there's a stopper at the end, and it actually will stop turning). So it can be used as a more generic ambient light which is what i now use it for, rather than just focused light. Great for some mini-SAD-therapy, during these winter months, but i'm digressing ...
One can also pair the USB power adapter cable with one of several lithium based USB battery packs on the market right now, eliminating the need for a laptop or desktop (or AA batteries for that matter) although you'd still need to charge that battery pack, but that should last longer than the 4 AA batteries that this thing eats through in one evening.
UPDATE: this is the USB cable that works with the light it uses a "3.5mm" plug
http://www.amazon.com/gp/product/B00512Z86I/ref=wms_ohs_product
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I bought this originally to replace my desk lamp. Ooops, that was a mistake. This lamps is not designed as a desk lamp. Instead its more like a utility lamp. Its really short. The cover to the battery slot has a screw over it. This annoyed me a bit, because that meant every time I needed to replace the batteries, I would have to carry screw driver with me. The design ergonomics lost me there. In addition, there is no easy way to get the cover off it too, because there is no latch on it. The only good thing is the light is really powerful. Its LED white light and shines pretty good. Overall, I'm not really impressed.Best Deals for OttLite 290089 LED Handheld Task Lamp, White
I bought this product for someone with low vision. I was hoping to use it for dinner outtings where the lighting is always low. It works great! It fits on all tables, as well as in my purse. The light is bright enough to be helpful and not distracting to other tables. Also, he uses it all over the house, as it's a bright quick portable light.Honest reviews on OttLite 290089 LED Handheld Task Lamp, White
The Ottlight Task Lamp, like all my previous ottlight lamps is very handy as we have a number of power outages here every year. With the LED light, bright ehough to read by, power outages are no longer a big problem.Find helpful customer reviews and review ratings for OttLite 290089 LED Handheld Task Lamp, White
I just received this white OttLite 290089 LED Handheld Task Lamp.It's just perfect for my desk!
The light is very bright...so it is ideal for crafting!
Love the fact that it is battery-operated, so I don't have an electrical cord getting in my way.
The design of this light is sleek and elegant!
Love it!
Thank you, Amazon.com!
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