Enter your serial number on the Lenovo Support Parts Page to find the exact Field Replacement Unit (FRU) number.
Remove the bottom cover to find the label directly on the battery. 2. Battery Compatibility by Generation lenovo x1 carbon battery buy
Purchasing a replacement battery for a requires precision, as specifications and part numbers (FRUs) change across its 12+ generations. 1. Identify Your Generation & Part Number Enter your serial number on the Lenovo Support