This brand new Samsung R522 laptop battery features the highest quality lithium-ion cells and components. 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 Samsung R522 battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

You can expect about 2 hours to 3 hours of run time with this Samsung R522 Laptop battery when new, depending on your energy use.