Don’t think we’ve ever specifically written anything about a battery recharger before, but this week’s Circuits section of the New York Times has something about one that seems noteworthy: the I-C3, a new recharger from Rayovac that can power up a pair of AA batteries in fifteen minutes. The trick is a switch which makes sure that the batteries aren’t accidentally overcharged. And it only works with special Rayovac batteries designed for use with it.
