MSI Wind U100 Battery 6-cell 5300mAh Netbook Battery Lasts up to 7:45 Hours Longer Than the 3-cell and 6 Cells MSI Wind U100 Battery -- Color: Black Type: High performance ultra-density Li-ion 6-cell 5300mAh battery Compatibility: All MSI Wind U100 Models Battery life: Up to 7:45 hours under minimum load (individual result may vary) Warranty: 12 Months Color: Black