Type: Li-Ion, Voltage:14.4V Capacity:4400mAh;8 cells • 1 year replacement warranty. • High capacity battery certified by CE and RoHS, This battery was tested and proven to match and/or exceed original specifications of HP products • Fit Machine Models: HP Pavilion DV9000 Series,Replacement For: HP 432974-001 434674-001 EV087AA HSTNN-IB34 HSTNN-Q21C