Yafda X230T New Laptop Battery for ThinkPad X220 Tablet X230 Tablet X220T 42T4881 42T4882 42T4877 42T4880 42T4879 45N1078 45N1079 52 52+ 67 67+ 6-Cell Battery type: Li-ion ;Capacity: 63Wh ;Cells: 6-cell;Voltage: 11.1V Replacement for Lenovo ThinkPad X230T Series, Lenovo ThinkPad X220T Series.not used in the x220 notebook and/or the x230 notebook - Only used in Tablet Notebooks. ! Part number : 0A36316 ,0A36317 ,0A36285 ,0A36286 ,42T4877 ,42T4878 ,42T4879,42T4881,42T4882,45N1078 ,45N1079 Grade A cells mitigate the risk of battery leakage and maximize output stability. Built-in circuit protection, enhances safety of usage and extends battery life. 100% New from Manufacturer. Warranty: 30 Days Money Back Guarantee / 12-month worry free warranty for our product Please contact us with any questions or concerns - we are here to help! Products trademarked Yafda. We focus on providing quality power products and excellent customer service.