This is a brand new HP HSTNN-I55C battery. This HP HSTNN I55C battery is typically superior to the original battery and is 100% compatible with your HP Business 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 3 hours of run time with this HSTNN-I55C battery when new, depending on your energy use. 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 or 4800 mAh capacities while providing up to 20% more run time.

This HSTNN-I55C battery replaces the HP Business Notebook 6520S & HP 540 541 series as well as the Compaq 511, 515, 516, 610, 615 laptops.