6-Cell 4400mAh Li-ion Replacement Laptop Computer Battery Pack For ASUS A31-K42, A32-K42, A32-K52 Color: Black | Dimension: 271.50 (L) x 48.30 (W) x 21.20 (H) mm Battery Type: Lithium-ion | Voltage: 11.10V | Capacity: 4400mAh Rate: 49.00 Wh | No. of cell: 6 | Weight: 420.20 g Battery Replace Code: 70-NXM1B2200Z, 90-NYX1B1000Y, A31-K42, A32-K42, A32-K52, A41-K52, A42-K52, K52L681 Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension (mentioned above/below) of your device.