- A long lifecycle and warranty, a durable, safety-conscious design, and reliability testing make the HP Long Life Notebook Battery the smart choice for your HP notebook PC. - For ultimate peace of mind, cost-effectiveness and minimal environmental impact, the HP Long Life Battery has a life span of up to three years. And it's backed by a warranty three times as long as most Li-Ion notebook batteries' life span. - The HP Long Life Notebook Battery has an insulating safety wrap that encloses the cells, fire-retardant casing, and barrier walls that isolate cells from the Printed Circuit Assembly (PCA), presenting a liquid and thermal barrier. - Genuine HP batteries are designed for and tested with all compatible HP notebook PCs, so you can be sure you're getting the best possible battery solution for your PC. - There's no need for technical assistance when it's time to replace your battery. You can easily do it yourself in a matter of minutes - no special tools or expertise required.