Aspire One Battery 9-cell 7800mAh Netbook Battery Lasts up to 12:10 Hours Longer Than the 3 or 6 Cells Acer Aspire One Battery -- Color: White Type: High performance ultra-density True-Cell(TM) Li-ion 9-cell 7800mAh battery Compatibility: All Acer Aspire One 8.9 and 10.1 models (Not working for 11.6" models) Battery life: Up to 12:10 hours under minimum load (individual result may vary) Warranty: 12 Months Color: White