Bay Valley Parts 6 Cell 11.1V 5200mAh New Replacement Laptop Battery for SAMSUNG:AA-PB9NC5B,AA-PB9NC6B,AA-PB9NS6B,AA-PL9NC2B SAMSUNG: E152,E251,E252,E372,NT-E251,NT-E252,Q520,Q528,R408,R468,R470,R478