Revive your laptop with a brand new HP OA03 and OA04 battery for HP Pavilion laptops. Our batteries are made from the highest quality lithium-ion battery cells that charge faster and last longer. We're so confident in our quality that we back each battery with a 2 year warranty and 30 day money back return.

This battery replaces the HP Pavilion original battery part numbers, OA03, 0AO3, OaO3 and 0a03. Additional compatible laptop model and battery part numbers can be found below. Don't see your model or part number listed? Go to our HP Pavilion battery page for the full listing or call our tech support for help. Chances are we've got it!

This battery is rated at 31Whr / 2,792 mAh. This is the highest rating available for a 3 cell battery pack. The higher the mAh rating, the longer your battery will run before it needs to be recharged again. It is still compatible if your original battery has a lower mAH or Whr rating.

Check your current battery to ensure you are ordering the correct battery. It should match the picture above. This battery will provide about 3 hours to 5 hours of run time with this HP AO03 battery when new, depending on your energy use.