10xCMOS Battery For IBM Lenovo ThinkPad X40 X41 X41T X60 X60s X61 X61s X200 X201 | eBay
Laptop Battery Replacement for Lenovo IBM Thinkpad X41 Tablet Series 14.8V 3600mAh Power Supply Lithium Ion Battery - China Laptop Battery, Notebook Battery | Made-in-China.com
Amazon.com: Synergy Digital CMOS/BIOS Battery, Compatible with Lenovo Thinkpad X41 CMOS/BIOS, (Lithium, 3V, 200mAh) Ultra High Capacity, Replacement for Lenovo 92P1004 Battery : Electronics