Replacement For MSI BTY-M57 Battery - 4280mAh 15.2V The replacement for msi bty-m57 battery is specially designed for the original msi bty-m57 battery. Replacement For MSI BTY-M57 Laptop Battery Warranty 12 months Capacity 4280mAh Volts 15.2V Color Black 15.2V, 4280mAh Extended Life battery for msi bty-m57. The quality of this for msi bty-m57 battery is certified as well by RoHS and the CE to name a few. Cheap price and high quality!