Amazon.com: 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: Lenovo 6 Cell Battery 67+ (0a36317) For X220T Tablet and X230T Tablet : Electronics
Lenovo 0A36307 ThinkPad Battery - Newegg.com
Lenovo ThinkPad X220, X220i, X230i Battery
Laptop Battery For Thinkpad X220 X220i X220s Series 0a36281 42t4861 42t4862 0a36282 0a36283 - Laptop Batteries - AliExpress
Genuine 44+ 6 Cell X230 X220 New Battery For Lenovo ThinkPad X230i X220i 45N1027 | eBay