Lenovo ThinkPad 9 Cell Lithium Ion Battery 44++ ( Manufacturers P/N; 0A36307 ) 94Wh Extended Life System Battery For X220 And X230 Laptops Only : Electronics - Amazon.com
Original Lenovo ThinkPad X220 X220T X230 X230T Slice battery 0C13380 0A36280 in United States|original canon batteries|battery bellbattery sealed lead acid - AliExpress
Lenovo ThinkPad X220 Hands On, Details, Specs And Video
Amazon.com: Lenovo 0A36307 ThinkPad 9 Cell Extended Life Battery 44++ for Lenovo ThinkPad X220, X230 Models Only. (Caution: Not for X220 Tablet, X230 Tablet Models) : Electronics