Replacing a laptop battery may require expert tech assistance to avoid damaging the fragile internal components and electrical systems due to electro-static discharge. Most notebook/laptop batteries are internal and as a result require replacement by a. Buy at the HP Parts Store and replace battery locally* The HP Parts Store carries a selection of HP spare parts for our products including batteries. Check here for helpful steps if needed. HP provides a Battery Check tool that you can use to test your battery before ordering a new one. Go here to find several options for testing. You may have a PC that has served you for many years. Migrating to a new laptop could be the best option for you.