This ThinkPad A22 laptop battery is also compatible with the following models:
• IBM
ThinkPad A20
ThinkPad A20 Series
ThinkPad A20M
ThinkPad A20P
ThinkPad A21
ThinkPad A21e-2628 Series(not include ThinkPad A21e - 2655 Series)
ThinkPad A21e-2632 Series(not include ThinkPad A21e - 2655 Series)
ThinkPad A21M
ThinkPad A21P
ThinkPad A22
ThinkPad A22M
ThinkPad A22P
ThinkPad i1800-2628 Series(not include ThinkPad i1800-2655 Series)
ThinkPad i1800-2632 Series(not include ThinkPad i1800-2655 Series)