Shopforbattery A-108921 is the high quality Volts: 11.1 - Cells: 9 - Color: Black - Chemistry: LiIon - mAh: 7800 - replacement battery for COMPAQ BUSINESS NOTEBOOK BUSINESS NOTEBOOK 2510P Laptops/Notebooks. This battery has been engineered to meet or exceed the original manufacturer's specifications and replaces the original OEM battery. ...