Specifications: Capacity: 4400 / 6600mAh Chemistry: Li-ion Voltage: 10.8V / 14.4V / 14.8 Cell: 6 / 8 / 12 cell Compatible Models: HP COMPAQ HP Compaq Business Notebook NX5100 HP Compaq Business Notebook 6000 Series Business Notebook 6510b, Business Notebook 6515b, Business Notebook 6710b, Business Notebook 6710s, Business Notebook 6715b, Business Notebook 6715s, Business Notebook 6910p HP Compaq Business Notebook NC6105 Series HP Compaq Business Notebook NC6000 Series Business Notebook nc6100, Business Notebook NC6110, Business Notebook NC6115, Business Notebook NC6120, Business Notebook nc6140, Business Notebook NC6200, Business Notebook NC6220, Business Notebook NC6230, Business Notebook nc6300, Business Notebook nc6320, Business Notebook NC6400 HP Compaq Business Notebook NX6100 Series Business Notebook NX6105, Business Notebook NX6110, Business Notebook NX6110/CT, Business Notebook NX6115, Business Notebook NX6120, Business Notebook NX6125, Business Notebook nx6130, Business Notebook NX6140 HP Compaq Business Notebook NX6300 Series Business Notebook nx6300, Business Notebook NX6310, Business Notebook NX6310/CT, Business Notebook NX6315, Business Notebook NX6320, Business Notebook NX6320/CT, Business Notebook NX6325, Business Notebook nx6330 Please carefully check your battery's Compatible Model & battery picture to ensure compatibility with your Laptop. What's in the box 1 x Laptop Battery