Superb Choice® 9-cell HP COMPAQ Business Notebook NC6230 nc6300 nc6320 NC6400 Laptop Battery Type: Battery Compatibility: HP COMPAQ Business Notebook NC6230 nc6300 nc6320 NC6400 Battery Type: 9 Cell Lithium-Ion Battery Voltage: 10.8V Battery Capacity: 6600mAh Parts: 1 year