Thinkpad X230 carries a great keyboard and touchpad, and up to 20hrs battery life - NotebookCheck.net News
Lenovo ThinkPad X230 Battery 44+
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
Lenovo ThinkPad tablet battery 67+ 6 Cell for X230 0A36317
Extended Life LiIon Slice Akku für Lenovo ThinkPad X230 Serie Typ 19+ | LapStore.de
Battery Life and Charge Time - The Lenovo ThinkPad T450s Review: Bridging The Ultrabook
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
Lapgrade Battery for Lenovo X220 X230 Series battery-42T4901 - mylaptopspares