What is a UPS? (Uninterruptible Power Supply) - RealPars
Uninterruptible Power Supply UPS Phasak AK-UP1-600 600VA 360W
Amazon.com: Ups Battery Backup and Surge Protector,Computer Uninterruptible Power Supply Units,Battery Backup Intelligent LCD,SKE Back UPS,Uninterruptible Power Supply,Battery Backup for Computer 850VA/480W : Electronics
Smart Uninterruptible Power Supply (UPS) Solution | Huawei