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 • Replacement For: HP/Compaq 485041-001 hstnn-db72 hstnn-ib79 hstnn-q34c ks5