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January 08, 2007
Solar Keychain Flashlight
The inexorable rise of solar continues.
From the website:
- Solar Keychain Flashlight
Light when you need it — no batteries necessary!
This keychain flashlight's tiny solar cells charge it while you drive, so you have a ready light source available at all times.
Two bright LED bulbs provide light for three hours on a full charge and since the light has no batteries it's never out of juice.
Use it to illuminate car locks or ignition, search for items in your glove box or in case of emergency.
January 8, 2007 at 03:01 PM | Permalink
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Comments
It does have batteries, they're just rechargeable ones (capacitors don't hold enough energy to be useful in this application).
When the batteries wear out, the flashlight dies too.
If it's got a single flat lithium ion cell in it - which is the usual way these sorts of lights work, including one I reviewed years ago - you can expect the cell to be dead in maybe three years. Maybe less (especially if you leave the thing sitting in the hot sun), maybe more.
The light looks as if it might be screwed together, though, so it ought to be possible to replace the battery. Most people will just throw the flashlight away then, of course.
Posted by: Daniel Rutter | Jan 8, 2007 11:54:33 PM
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