HP recently expanded their previous laptop battery recall to include even more batteries. The recall came about after some HP laptop batteries were found to be fire and burn risks.
How to know if your battery should be returned to HP for replacement? HP now offers a Battery Validation Tool to help you determine if your battery is one of those being recalled. You can download the HP Battery Validation Tool from their website by clicking here and scroll down to the "Get Started" section where you will see a download button.