This is a brand new HP HSTNN-OB37 battery for the Pavilion TX series.
You can expect about 2 hours to 2-1/2 hours of run time with this HSTNN-OB37 battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our HP-TX1000XT. The higher capacity battery cells inside this cartridge have an energy capacity of 5200 mAh. This battery will be compatible with batteries rated at 4400 & 4800 mAh capacities while providing up to 20% more run time.
This HSTNN-OB37 battery replacement is typically superior to the original battery and is 100% compatible with your HP Pavilion notebook computer. The battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.