Superb Choice New Laptop Replacement Battery for COMPAQ Business Notebook NC6000-PM735PC NC6000-PM747PA NC6000-PM778UC NC6000 Series NC6000-ZB531UC NC8000-DE543AV NC8000-DH917U NC8000-DH918U NC8000-DH936U NC8000-DN889A NC8000-DN890A NC8000-DQ616A NC8000-DQ617A NC8000-DQ618A NC8000-DS809P NC8000-DS810P NC8000-DS811P NC8000-DS812P NC8000-DS813P NC8000-DS814P NC8000-DS872P;4400 mAh;8 cells Type: Li-Ion Voltage: 14.4v Capacity: 4400 mAh; 8 cells; 1 year replacement warranty High Capacity Replacement battery High capacity battery certified by CE and RoHS, This battery was tested and proven to match and/or exceed original specifications of COMPAQ products. Each Superb Choice battery was tested at an original laptop.