HP DV9000 | DV 9100 | DV9300 Laptop Battery 

 DV9000 | DV 9100 | DV9300 Laptop Battery 2-cell HP Pavilion DV9000,DV9100,DV9200,DV9300,DV9400,DV9500,DV9600 Laptop Battery Type: Li-Ion Voltage: 14.4V Capacity:6600mAh;12 cells; 1 year replacement warranty,30-day refund guarantee after the purchase. 

High capacity battery certified by CE and RoHS, This battery was tested and proven to match and/or exceed original specifications of HP products HP DV9000 | DV 9100 | DV9300 Laptop Battery  If your original battery is a 8-cell battery, this 12-cell battery has much higher capacity and works longer hours after each charge.

However, it is bigger, heavier and sticks out due to the extra 4 cells. It will still fit in your laptop. HP DV9000 | DV 9100 | DV9300 Laptop Battery  Replacement For: HP HSTNN-IB34 HSTNN-Q21C 432974-001 434674-001 EV087AA EX942AA HSTNN-UB33 416996-131 416996-521 416996-541 448007-001 EV087AA HSTNN-IB40