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 :
New Hard Drive Cover+Caddy+Rails for IBM/Thinkpad/Lenovo X220 X220i X220 Tablet | eBay
ThinkPad X series - Wikipedia
Thinkpad X220 Tablet on a modified T420 4337 docking station... With original stylus and a Covergirl eyeliner pencil : r/thinkpad