Keep your premium Lenovo ThinkPad X1 running longer with the NDWQGFS L20C4P71 replacement battery. Engineered with a 57Wh capacity and 15.44V output, this Li-ion battery delivers reliable, long-lasting power for professionals on the move.

Designed for precision compatibility with ThinkPad X1 Carbon (9th and 10th Gen) and X1 Yoga (6th and 7th Gen) series, this battery ensures a seamless fit. It replaces OEM part numbers including L20C4P71, SB10T83217, 5B10W13974, L20M4P71, and more. Built with Grade A cells and built-in circuit protection, it safeguards against overcharge, short circuit, and overheating. Certified by CE, FCC, RoHS, and UL, it meets stringent safety standards. The package includes installation tools and a manual for a hassle-free replacement.

Important: Before purchasing, please open your laptop's back cover to confirm your original battery model matches L20C4P71 or compatible numbers listed. For optimal performance, calibrate the new battery with 3-4 full charge cycles after installation.