Use a 8800mah extra HP Pavilion DV1000 battery to get more video viewing, music, photos, and games without having to plug in your AC adapter. This HP DV1000 battery has been specially designed and tested to meet HP notebook power needs, 100% OEM compatible and come with 1 year warranty. Battery Types: Li-ion Battery Voltage: 11.1V Capacity: 8800mAh Battery Cells: 12 cell battery Dimension(Approx): 205.20 x 59.20 x 37.50 mm http://8eshop.com/laptop-battery/hp-pavilion-dv1000-battery.htm