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I actually had a chance to see this product (bosavi headlamp) at my local climbing gym. A rep (one of the digital lighting engineers) was there to show it off and solicit ideas. The light was incredibly bright and simple, and the rep thought it would weigh in at about 2.1 oz. We had a long talk about what would make it really interesting to UL backpackers. The primary contributors to the weight is the battery and the aluminium housing. If I understood what the rep said correctly, lightening the housing by putting holes in it could actually improve performance and lighten the weight substantially, maybe even getting it down to around one ounce total. The long battery life (rechargeable and I think replaceable) makes it attractive if they can get the weight down. The cost is a bit high, but is in line with other products with the type of battery used. One thing I did think was attractive was a very lightweight, collapsible plastic sleeve that the light could slide into that made a pretty effective lantern. I think it has the possibility to be very competitive and possibly a big improvement over what's on the market now.
Edited by rgless on 05/30/2012 16:06:28 MDT.
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