Replacement HP Compaq 412779-001 battery by Amstron provides reliable performance in your HP laptops. This precision-engineered Lithium-Ion battery is designed for use in the HP Compaq Business Notebook 2400 and Business Notebook NC2400 series. Take your work on the road with you without sacrificing performance and productivity with Amstron brand HP laptop batteries. • Chemistry: Li-Ion • Rating: 10.8V 7800mAh • Will Meet or exceed original specifications • Warranty: 1 Year