This is a brand new HP HSTNN-Q09C battery for select Pavilion ZE4000 and ZE5000 models. This HSTNN-Q09C battery is also compatible with the Compaq Presario 1100, 2100, HP OmniBook xe4400, xe4500, HP Pavilion ze4000, ze4100, ze4200, ze4300, ze4400, ze4500, ze4600, ze5000, ze5100, ze5200, ze5300, ze5400, ze5500, ze5600, ze5700 and NX9000, NX9010, NX9020, NX9030, NX9040, NX9050 laptops.

Each 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 HSTNN-Q09C battery when new, depending on your energy use.