Telescoping rails that mount to the sides of the rack-mount UPS to facilitate installation into a rack-mount enclosure. This kit is for use with all GXT 2U, GXT 5kVA and associated battery cabinets. Related products: GXT4-10000RT230E GXT4-1000RT230E GXT4-1500RT230E GXT4-2000RT230E GXT4-3000RT230E GXT4-5000RT230E GXT4-6000RT230E GXT4-700RT230E GXT4-48VBATTE GXT4-72VBATTE GXT4-240VBATTE