Uninterruptible Power Supply 220v 1000va Online Rack Mount Ups Double Conversion Extended Backup Time Capacity 220vac Use In 2u - Inverters & Converters - AliExpress
APC Smart-UPS X 3000VA Rack/Tower LCD UPS Battery Backup 200-240V with Network Card (SMX3000HVNC) | Dell USA
Tripp Lite Line Interactive UPS with USB and 10 Outlets - 120V, 1440VA, 900W, 50/60 Hz, AVR, ECO Series, ENERGY STAR - Tower - AVR - 7 Hour Recharge - 3 Minute