K56C K56CA K56CB K56CM K56V. K46C K46CA K46CB K46CM K46V. Asus K56 Ultrabook Series. Label Capacity : 44Wh. S56C S56CA S56CB S56CM. Asus A56 Ultrabook Series. Asus A46 Ultrabook Series. Asus R550 Ultrabook Series.
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