Hipower Laptop Battery For Sony Vaio PCG-4L1L, PCG-4L2L, PCG-4L3L, PCG-4N1L, PCG-4N2L, PCG-4N3L, PCG-4N4L Laptop Notebook Computers Cells: 6 Cells Volts: 11.1V Capacity: 4400mAh; 48Wh