Amazon.com: Liebert PSA5 UPS - 500VA/300W 120V, Line Interactive, AVR, Mini Tower, 10 outlets, USB Charging, 3 Year Warranty, Uninterruptible Power Supply, Battery Backup With Surge Protection (PSA5-500MT120) : Electronics
Tripp Lite POS Series 120V 500VA 300W Standby UPS Tower / USB Port / 6 Outlets - UPS - AC 120 V - 300 Watt - 500 VA - USB - output connectors: 6 - Walmart.com
Xtreme Power Conversion S70-500 90000550 500VA/300W 120V Line Interact – FGC UPS Systems
Vertiv Liebert PSA5 UPS - 500VA/300W 120V, Line Interactive AVR Tower UPS, Energy Star Certified -PSA5-500MT120 at TigerDirect.com