11.1V, 6600mAh, Li-ion Battery fits Acer, Aspire 2420, Aspire 2920, 73.26WhBattery Fits Models: Aspire 2420, Aspire 2920, Aspire 2920 1a2g16mi, Aspire 2920 302g25mi, Aspire 2920 3a2g12mi, Aspire 2920 3a2g25mi, Aspire 2920 3a2g25mn, Aspire 2920 5a2g25mi, Aspire 2920 602g25mn, Aspire 2920 603g25mi, Aspire 2920 832g32mn, Aspire 2920z, Aspire 2920z 2a2g16mi, Aspire 2920z 2a2g25mi, Aspire 2920z 3a2g12mi, Aspire 3620, Aspire 3620a, Aspire 3623nwxmi, Aspire 3623wxmi, Aspire 3628awxci, Aspire 3628nwxmi, Aspire 3628wxmi, Aspire 3640,