Genuine Lenovo Thinkpad X1 Carbon 9th Gen Battery 57Wh (4Cell) — 5B10W13973 (New)

Brand-new, genuine Lenovo replacement battery for the Thinkpad X1 Carbon 9th Gen. OEM part number 5B10W13973 with a 57Wh capacity and 4Cell configuration. This authentic Lenovo battery is a direct-fit swap for the factory pack, delivering original-spec power and compatibility to restore your laptop’s mobility. New, inspected unit ready for installation.