Newegg offers the Fujitsu 2,000mAh AA Rechargeable Battery 12-Pack, model no. HR-3UTCEX(12M), for $23.99. Coupon code "EMCRFCG44" drops the price to $17.99. With $4.98 for shipping, that's $11 off and the lowest price we could find. These Japanese-made batteries come pre-charged and are rechargeable up to 2,100 times. Deal ends May 29.