Take your office on the road without sacrificing performance, productivity or convenience with HP Business Notebook battery solutions Mobile professionals will appreciate HP primary batteries which provide long battery life in HP Notebooks and Tablet PCs Enhanced battery life helps you stay connected and be productive wherever your work takes you, which is why HP offers high-capacity batteries to extend battery life   Product Description HP Primary Battery - laptop battery - Li-Ion   Device Type Laptop battery   Battery Lithium Ion 6-cell    General Device THP Part Number 436426-311Battery Rating 11.1v, 44wh