Smart Power 10.8V 4400mAh Li-ion Replacement for Fujitsu LifeBook T4220 Tablet PC laptop battery, Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device. Battery Type: Li-ion || Voltage: 10.80V || Capacity: 4400mAh || Color: Silver grey Dimension: 128.69 x 79.49 x 20.20 mm || Weight: 425.25 g Product Type: Replacement Battery || Condition: 1 year warranty!