If the battery in your notebook computer has lost its capacity to hold a charge, you can purchase a replacement battery from HP.
HP provides a Battery Check tool that you can use to test your battery before ordering a new one.
For more information, see HP Notebook PCs - Testing and calibrating the battery (Windows).
For instructions about how to improve battery performance, see HP Notebook PCs - Improving battery performance (Windows).
Find your computer name, product number, and serial number with HP Support Assistant.
Order a new battery from the HP Parts Store.
Some countries or regions might not be supported when ordering parts from HP.com. See your local HP retailer or contact HP directly to purchase additional batteries or other parts.