On Order Arm Notebook, Laptop Battery Li-ion Battery fits Arm, N243, N244 Series, Fujitsu 14.8V, 4400mAh CS-UWN243NB $79.79 The batteries we supply almost always will match the existing batteries capacity. Sometimes there may be a difference due to the availability of components. Batteries come in a variety of different formats, often a single model of battery will actually replace hundreds of other models in a multitude of different devices. The manufacturers of many devices... Add to cart