Laptop battery HP / Compaq dv9000 8 Cells 14.4V 4400mAh/63wh, compatible partnumbers: HSTNN-IB34, HSTNN-Q21C, 432974-001 434674-001, EV087AA, EX942AA, HSTNN-UB33 416996-131, 416996-521 416996-541, fit models: HP Pavilion dv9000 Series High Quality Laptop Battery 8 Cells, Li-ion, 14.4V 4400mAh/63wh - Black 1 Year warranty