Newegg offers the Powerex 2,400mAh AA NiMH Rechargeable Batteries 8-Pack, model no. MH-8AAI-BH, for $19.99. Coupon code "EMCAWKS25" cuts the price to $15.99. With free shipping, that's tied with our May mention as the lowest total price we've seen. (It's a current low by $10.) They're pre-charged and can be recharged up to 1,000 times. Deal ends August 16.