6-cell Laptop Battery for HP Pavilion DV4-1000 DV4-2000 DV5-1000 DV6-1000 DV6-2000 Series • Type: Li-Ion, Voltage:10.8V Capacity:4400mAh;6 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 DV4-1000 DV4-2000 DV5-1000 DV6-1000 DV6-2000 Series