This is a brand new Asus battery that features the highest quality lithium-ion cells. Li-ion battery technology provides longer run times with less weight. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. This laptop battery replacement is 100% compatible with the original battery specifications and is individually tested and backed by 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.

This battery replaces a wide variety of models including the S550CA R405 R505 R550 family of laptops as well as many more.