Installation of Tripp Lite single-phase, 208 volt UPS suite (12KRT through 20KRT Only) in rack or tower application conducted during non-business hours within the US (lower 48 states). Includes UPS suite and up to one auxiliary external battery pack. Contact Tripp Lite to price additional charges that apply to installation of more than one external battery packs. Excludes any and all electrical installation (breakers, circuits, conduits, fuses, subpanels, wiring), UPS Start-up and onsite warranty or warranty extension.