APC BK500EI 230V 500VA UPS (Discontinued by Manufacturer) Type: Standby UPS. Plug/Connector Type: IEC 320-C14. Receptacles: 3 x IEC 320-C13 1 x IEC 320-C13 - Battery/Surge-protected 2. Dataline Protection: RJ-45 Modem/Fax. Load Capacity: 500 VA/300 W.