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 at any time without diminishing your battery capacity. This

HP FE04 battery for the ProBook 5220m model is typically superior to the original battery and is 100% compatible with your HP ProBook 5220m. 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 HP FE04 battery when new, depending on your energy use.