This is a brand new Asus 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. 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 Pavilion 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 3-5 hours of run time with this computer battery when new, depending on your energy use.

Like all Li-ion primary batteries, your run time will decline over time.

This battery replaces the Asus Q400 R404 family of laptops.. The battery part number printed on the battery label is so tiny, you will need a magnifying glass to see the battery part number. If your model matches the listing of Asus machines at the extreme bottom of this web site, this is the correct battery for your Asus computer.