That's my next quest. I have no idea what's going to be the best charger for the batteries I want to convert (flashlight and household items).
You don't need anything fancy. I find the Energizer, Duracell, or Ray-O-vac chargers work great. Wal-Mart is a good place. The AA chargers will also do AAA, but if you want to have full range from AAA to "D" then you will have to get a little more expensive, but same brands.
Oh, remember one thing. From "C" size on up you are still getting an AA re-chargeable. They just basically put a AA NiMH in a body that fits a "C" or "D" size. You can get actual "C" or "D" size from people like batteryjunction, but not normally at your local store.
http://www.batteryjunction.com/
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