0A36282 IBM Lenovo 6-Cell Li-Ion Battery 29 for ThinkPad X220 (Refurbished)
11.1V 63WH 6 Cell 29+ Original Genuine New Laptop Battery for Lenovo ThinkPad X220 X220I X220S 42T4865 42T4866 - buy at the price of $38.50 in aliexpress.com | imall.com
Lenovo 0A36282 Thinkpad Battery 29+ (6 cell) for X220 Series - Newegg.com