Amazon.com: Lenovo 6 Cell Battery 47+ ( 43R9254 ) For Models X200, X200S, X201i , X201 And X201s Battery, Not Used In X200 Tablet Or X201 Tablet : Electronics
8Cell Battery for IBM Lenovo ThinkPad X200t X201 Tablet 43R9257 42T4658 42T4565 | eBay
42T4564 IBM Lenovo 8-Cell Li-Ion Battery 12 for ThinkPad X200/X201 Tablet (Refurbished)