This is a brand new HP HSTNN-W01C long run Battery. This HP spare HSTNN-W01C battery has double the capacity of the standard 4 cell battery. The added capacity of this battery pack is achieved with a thicker battery cartridge. When snapped into your laptop, this battery will extend underneath your laptop about 1 inch.

Laptop Battery Express is a US based business with knowledgeable support staff to assist you before and after the sale. Yes, we have a phone number and real people answer your call! Free technical support is available if you need additional help in diagnosing power problems with your battery, ac power adapter or battery meter software.

All our products carry a full 1 Year warranty and every battery is charged and tested before it ships. We provide a 30 day money back guarantee if you are not completely satisfied. We are so confident in the quality of our batteries, we will pay for any and all shipping expenses if our product fails to perform in the first 30 days you have our battery.

You can expect about 2 hours to 11 hours of run time with this HP HSTNN-W01C battery when new, depending on your energy use. The large variation in run time wit this battery depends on the screen size and the power settings in the Windows control panel. A bright screen and running video will deplete the battery quickly.