Bay Valley Parts LENOVO 0A36285 42T4879 45N1079 0A36286 0A36317 42T4877 High Capacity Battery for LENOVO ThinkPad X230 X 230 Tablet Series X230T[Li-ion 6-cells 11.1V 5200mAh] Battery Type: 6-Cells 11.1V 5200mAh Color: black Using highest quality materials including grade-A brand-new Cells Meets and exceeds OEM specifications and lasts longer hours Package Includes: One unit of brand-new replacement laptop battery for THINKPAD X220T,X230T,X220 TABLET,X220I TABLET,X230 TABLET ,X230I TABLET SERIES compatible with LENOVO 0A36316 0A36317 0A36285,0A36286,42T4877, 42T4878, 42T4879, 42T4881, 42T4882,45N1078, 45N1079 This product is CE & RoHS certified so BUY WITH CONFIDENCE!!!