This is a brand new MSI BTY-M492 battery for Pulse GL66 series. This MSI BTY-M492 battery is rated 11.4 volts and 4700 mAh. It will normally last 5-6 hours on a full charge.

This BTY-M492 battery is compatible with the MSI Pulse GL66 and Pulse GL76 models. It also replaces the MSI BTY-M492 battery part number.

This MSI BTY-M492 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 2-1/2 hours of run time with this MSI BTY-M492 battery when new, depending on your energy use.