New Genuine Lenovo ThinkPad X1 Nano (1st Gen) Battery — 48.2Wh 3-Cell (5B10W13964)

Genuine Lenovo replacement battery for the ThinkPad X1 Nano 1st Gen. This new OEM unit, part number 5B10W13964, is a 3-cell battery with a rated capacity of 48.2Wh. It’s engineered as a direct factory replacement for the original X1 Nano battery to restore portable power and compatibility without modification. Perfect for servicing or upgrading your ThinkPad X1 Nano (1st Gen).