Newegg offers the Powerex 2,400mAh AA NiMH Rechargeable Batteries 8-Pack, model no. MH-8AAI-BH, for $19.99. Coupon code "EMCWWPF77" cuts the price to $16.99. With free shipping, that's tied with our September mention and the lowest total price we could find by $7. They're pre-charged and can be recharged up to 1,000 times.