Hipower 35WH Laptop Battery For Acer Aspire 13.3" S7-391, S7-391-6810, S7-391-6413, S7-391-6468, S7-391-6478, S7-391-6818, S7-391-6822, S7-391-9411, S7-391-9427, S7-391-9492, S7-391-9839, S7-391-9864, AP12F3J, KT.00403.009, 2ICP3/65/114-2 Laptop Notebook Computers Cells: 4 Cells Output Voltage: 7.4V Battery Capacity: 4680mAh; 35Wh