After the Swiss universal knife, the Lightcap water bottle is the kind of design that makes you want to act as an Indiana Jones follower or a Goonies-like member.
The water bottle complies with this spirit: Always trying to combine all in one. Or at least 2 functionalities in one. But the most interesting idea to remember is that water is a better light propagator than the air. Light beams are spreading in all directions, and this turns a basic object into a real outdoor lamp.
On a full charge (12 hours in direct sun) the LED will last from 8 to 16 hours, depending on its colors thus its energy consumption. You may get more or less time depending on the temperature since battery performance goes down in cold temperatures.
You can get one of those on the company website, here. (via popgadget)
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