The Lenovo Sealed Battery (Add-On) is designed to provide extended protection for your investment with a comprehensive 3-Year Warranty. This service includes on-site maintenance, parts replacement, and labor, ensuring that you have maximum support and efficiency. With Lenovo-certified technicians available for quick solutions, you can minimize downtime and maintain productivity. This add-on service is essential for those who want to extend their base battery warranty and avoid the hassles of system unavailability. Protect your ultrathin devices with this reliable battery warranty extension.