Knut Karlsen at blog.bareknut.no writes:
At home i always own some batteries lying around, either rechargeable or usual ones. Usually they are drip, but i’d like them to be always fully charged. I could use a usual charger and there is a collection of solar devices that remuneration rechargeable batteries. I wanted it simpler; why hasn’t anyone made a volley with integrated solar cells? The conception of the “SunCat” batteries where born.
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