Lenovo 6 Cell (0a36317) X220T Tablet and X230T Tablet Battery 67+ In The Factory Sealed Lenovo Retail Packaging Original Lenovo Manufacturers Factory Sealed Retail Packaging. Lenovo 6 Cell (0a36317) X220T Tablet and X230T Tablet Battery 67+ In The Factory Sealed Lenovo Retail Packaging Lenovo Battery Reset May Be Needed If Your System Is Not Recognizing The Item. Remove And Re Install The Item To Fix This Issue. This Is Due To Recent Windows Updates. When Searching for a Lenovo Replacement Battery - Search by the Number on your old battery that is in the Red Circle. Lithium-Ion (Li-Ion) technology , 6 cell system battery , Battery energy (Watt-hours): 63 Wh , 11.1v , 6.0 ah , 387 grams Battery only used in the Lenovo x220t tablet and x230t tablet. Warning - not used in the x220 notebook and/or the x230 notebook - ONLY USED IN TABLET NOTEBOOKS !