Lenovo 6 Cell Battery 44+ ( 0a36306 ) For X220 And X230 Laptop In The Factory Sealed Lenovo Retail Packaging Lenovo 6 Cell Battery 44+ ( 0a36306 ) For X220 And X230 Laptop In The Factory Sealed Lenovo Retail Packaging Not Used In X220T, X230T, X220 Tablet Or X230 Tablet This Item Is Compatible With The X220 Laptop And X230 Laptop. Lenovo 0A36306 , 6 Cell Battery 44++ , 63 Wh, 5.6Ah ,11.1v System Battery.