This is a brand new HP Business Notebook premium grade replacement battery. 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.

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 Business Notebook computer. 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 computer battery when new, depending on your energy use. The higher capacity battery cells inside this cartridge have an energy capacity of 5200 mAh. This battery will be compatible with batteries rated at 4400 or 4800 mAh capacities while providing up to 20% more run time.

This battery replaces the HP Business Notebook 6520S & HP 540 541 series laptop batteries and additional machines which are listed at the extreme bottom of this web page. Also replaces Compaq 511, 515, 516, 610, 615 laptop batteries.