This is a brand new Asus K52 replacement battery. This Asus K52 series battery is compatible with all Asus models in the K52 series, including Asus K52F, K52D, K52D and many more listed below. It is also compatible with Asus K52 models running all versions of Windows including Windows XP, Windows Vista & Windows 7.

Inside the Asus K52 battery are South Korea's best Lithium-ion battery cells and Texas Instruments components. The superior battery cells 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 Asus K52 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 - 2.5 hours of run time with this Asus K52F battery when new, depending on your energy use. The battery cells inside this cartridge have an energy capacity of 4400 mAh. This battery will be compatible with batteries rated at 4800 & 5200 mAh capacities.