The Energizer NiMH at 2500 MaH would be desirable.

Made by a major battery manufacturer and has high capacity.

The higher the MaH rating, the longer it will last on each charge.

Best Deal?

Unless you find them on sale somewhere, WalMart is probably your best deal. They also seem to have the largest selection of brands and such.

To find their largest cache of NiMH batteries, look near the television/computer section of the store.

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