New Genuine 44.5Wh 4Cell Battery for Lenovo Thinkpad X1 Titanium - 5B10W13965

Brand-new genuine Lenovo replacement battery for the Thinkpad X1 Titanium. This OEM unit, part number 5B10W13965, delivers 44.5Wh capacity in a 4Cell configuration to restore original runtime. Perfect as a direct swap when the existing battery no longer holds charge — designed for proper fit and reliable performance with the Thinkpad X1 Titanium.