Tripp Lite AVR Series 120V 550VA 300W 50/60Hz Ultra-Compact Line-Interactive UPS with USB port - UPS - 300 Watt - 550 VA - AVR550U - UPS Battery Backups - CDW.com
Vertiv Liebert PST5 UPS - 500VA/300W 120V| Battery Backup & Surge Protection PST5-500MT120 - Wired At Home LLC
UPS System 550VA 300W, Ultra-Compact Desktop USB System | Eaton
Tripp Lite SmartPro 500VA 300W 120V Line-Interactive UPS - 6 NEMA 5-15R Outlets, USB, DB9, Network Card Option, 1U Rack/Tower - UPS - 300 Watt - 500 VA
Liebert PSA5 - UPS - AC 120 V - 300-watt - 500 VA - output connectors: 10 - black | Dell USA