This is a new MSI MS-17B4 Battery for the MSI GF63 and GF75 series models.

This MSI MS-17B4 battery features the highest quality lithium-ion cells. Li-ion battery technology provides longer run times with less weight. This MSI MS-17B4 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 3-1/2 hours of run time with this MSI MS-17B4 battery when new, depending on your energy use.