This is a brand new HP ProBook extended run premium grade replacement battery. The additional cells in this cartridge will protrude to the bottom of the laptop about 1 inch. This will have the effect of raising the rear of the laptop. 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.

Check your current battery to ensure you are ordering the correct battery. It should match the picture above. This battery will provide about 3 hours to 4.5 hours of run time with this computer battery when new, depending on your energy use.

This battery replaces the Hewlett Packard ProBook 4320s, 4321s, 4325s, 4326s, 4420s, 4421s, 4425s, 4520s, 4525s and Compaq 320, 321, 325, 420, 425, 525, 620, 621, 625 series laptop batteries and a host more which are listed at the extreme bottom of this web page.