Replacement laptop battery for HP laptops & notebooks, models include ProBook 4530S, 4540, 4540S, 4540S, 4440S, 6460B, 4430S. This is an OEM replacement for HP part numbers including PR06, HSTNN-DB2R, HSTNN-IB2R, HSTNN-LB2R, 633733-241, 633805-001. See the specs tab for detailed HP laptop compatibility. This 4,400 mAh Lithium-Ion battery is rated at 10.8V and has an average run time of Up to 5.0 Hours. The longevity rating is 300-500 Cycles and it comes with a 1 year warranty. Micro Center offers HP laptop battery replacement and installation services to ensure your laptop will be back up and running quickly ask the store for details.