Ereplacements 6-Cell 5200mAh Battery for Lenovo Thinkpad X220 (0A36282-ER)
Amazon.com: Aluo 42T4880 New Laptop Battery for Lenovo ThinkPad X220 Tablet X220iT Tablet Serie 42T4881 42T4882 42T4877 42T4879 42T4880 42T4879 52 Only Use in The x220 Tablet Notebook 52+ 10.8V 63Wh 5600mAh :
Lenovo Thinkpad X220 29+ Laptop Battery - Ok Computer Plus