Tripp Lite - Tripp Lite On-Site Battery Replacement with Preventive Maintenance and 5-Year Warranty, Select 1-5 kVA UPS, 5-Unit Minimum, USA, Outside Business Hours - Battery replacement - replacement (for single-phase UPS suite (1kVA to 5kVA)) - 1 incident - on-site - after business hours/weekends - 5+ units