BattPit: Laptop Battery Replacement for Lenovo ThinkPad X1 Carbon 4th Gen 20FB005WUS, 00HW002, 00HW003, 45N1701, 45N1702, 45N1703, SB10F46441 - Newegg.com
Amazon.com: DR. BATTERY 00HW003 00HW002 45N1703 45N1700 45N1701 45N1702 Laptop Battery Replacement for Lenovo ThinkPad X1 Carbon 4th Gen Gen 3 2015 Series SB10F46440 SB10F46441 [15.2V] : Electronics
E ERSY 45N1700 Battery Fit for Lenovo ThinkPad New X1 Carbon 20A7A04ACD 14-Inch, ThinkPad X1 Carbon Gen 3, 45N1701 (15.2V 51Wh) : Electronics - Amazon.com
Amazon.com: E ERSY 45N1700 Battery Fit for Lenovo ThinkPad New X1 Carbon 20A7A04ACD 14-Inch, ThinkPad X1 Carbon Gen 3, 45N1701 (15.2V 51Wh) : Electronics