This is a brand new Extended Run HP ProBook premium grade replacement battery. This larger capacity battery pack will protrude to the bottom of your laptop about 1 inch. The superior South Korean cells inside the battery cartridge will provide longer run times between charges as well as a longer service life than cheaper batteries. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. This means you can recharge your laptop any time without diminishing your battery capacity. This laptop battery replacement is typically superior to the original battery and is 100% compatible with your HP ProBook notebook computer. The battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

This battery is ONLY compatible with 15.6" display systems. Measure your display size diagonally from corner to corner to get your display size. Check your current battery to ensure you are ordering the correct battery. It should match the picture above. Your battery should have the plastic flange or protrusion coming out the side of your battery matching the picture. This high capacity battery will provide about 3 hours to 5 hours of run time with this computer battery when new, depending on your energy use. The higher capacity battery cells inside this cartridge have an energy capacity of 6600 mAh. This battery will be compatible with batteries rated at 4400 & 4800 mAh and 5200 mAh capacities while providing up to 50% more run time.