I am selling a ThinkPad 19+ (6 cell External) battery. This is an additional battery that docks to the bottom of a Thinkpad X220 or a X230, extending the battery life by 8 hours.

This battery is brand new, never used! It came with my new laptop and I decided to not keep it.

Reference:
http://www.youtube.com/watch?v=3wYIHfjNA3A

http://shop.lenovo.com/SEUILibrary/controller/e/web/LenovoPortal/en_US/catalog.workflow:item.detail?GroupID=460&Code=0A36280&category-id=2D575BF5CD7E44E58547BFB52C#learnMore