This is a new HP HSTNN-OB77 battery for the HP Business 2230s and Compaq Presario CQ20-100, CQ20-200, CQ20-300, CQ20-400 series.This laptop battery replacement is typically superior to the original battery and is 100% compatible with your HP notebook computer. The battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

You can expect about 2 hours to 2-1/2 hours of run time with this HSTN- OB77 battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our HP Business 2230s long life battery.