Vertiv 1 Year Extended Warranty for Vertiv Liebert GXT4 72V External Battery Cabinet Includes Parts and LaborExtended warranty for Vertiv Liebert GXT4 72V External Battery Cabinet with Maintenance Bypass includes parts and labor for 1 year. Vertiv will replace the unit at any point during the extension period, subject to the same conditions as the standard warranty. Warranty extension must be purchased when the UPS is purchased and prior to shipment. 1 year extended warranty provides the peace of mind you need Designed for Vertiv Liebert GXT4 72V External