APC Back-UPS BV400XU - UPS - AC 120 V - 220 Watt - 400 VA - USB - output connectors: 3 | Dell USA
UPS centrale termice CO-sinusUPS-400-WM, 400W, 12V, Adler, pret 573 lei - TimoShop
Line Interactive UPS 400-2000va Uninterrupted Power Supply with Internal Battery Long Backup Time - China High Frequency UPS, UPS Power | Made-in-China.com