Newegg also has the POWEREX MH-4AA270-BH 2700mAh 4-Pack AA NiMH batteries for $11.99 plus free shipping. My first week using them I got 159 combined hours--reading and standby--with my jetbook lite, of which a min 42 hours was reading time. The batteries are heavy, the weight is noticeable.
bernie
http://www.newegg.com/Product/Produc...-003-_-Product