Revive your HP HSTNN-OB2R battery for the ProBook models. This HSTNN-OB2R battery is compatible with the HP ProBook 4330s, 4331s, 4430s, 4431s, 4530s, 4535s and PR06 laptop models. This HSTNN-OB2R battery is rated at 5200 mAh / 58 Whr. You can expect about 2 hours to 2-3 hours of run time with this PR06 battery when new, depending on your energy use. This battery will still be compatible if your original battery has a lower mAh rating. It just means the new one will last longer!

If you are looking for even longer battery life go to our HP PR09 notebook battery page.

Laptop Battery Express is a US based business with knowledgeable support staff to assist you before and after the sale. Yes, we have a phone number and real people answer your call! Free technical support is available if you need additional help in diagnosing power problems with your battery, ac power adapter or battery meter software.