ATC 11.1V, 6 Cells, 5200mAh/58Wh, High Capacity Battery for LENOVO/IBM IdeaPad Y450 20020, IdeaPad Y450 4189, IdeaPad Y450, IdeaPad Y450A, IdeaPad Y450G, IdeaPad Y550 4186, IdeaPad Y550, IdeaPad Y550A, IdeaPad Y550P 3241, IdeaPad Y550P Laptop Replacement Batteries,Compatible with IBM 55Y2054, L08L6D13, L08O6D13, L08S6D13 Brand New