You can buy rechargable AA batteries at Radio Shack, BJs Wholesale Club and many other locations. They're not really expensive, and the chargers have really come down in price as well.

Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)