4 Cell Laptop Battery for Lenovo X1 Carbon Series,14.4V
BTI LN-X1C 4-cell 14.4V, 2800mAh Li-Polymer Notebook Battery for LENOVO THINKPAD X1 CARBON 1ST GENERATION, THINKPAD X1 CARBON 3443, THINKPAD X1 CARBON 3444, THINKPAD X1 CARBON 3446, THINKPAD X1 CARBON 3448, THINKPAD X1 CARBON 3460, THINKPAD X1 CARBON 3462, THINKPAD X1 CARBON 3463