The PowerShield DC Mini is designed to provide emergency power backup to all kinds of DC powered equipment including routers, modems (including fibre optic – ONT), VOIP phone systems, surveillance equipment, alarm systems and many critical telecommunications devices. The DC Mini can economically provide hours of operation during power failure •Li-ion batteries •Automatically detects and selects correct voltage from 12 to 24V •Digital with Microprocessor control •LED indicator •Additional terminal output for DC connection •Comes with 6 multi-size connectors to fit any DC device •2 Year Warranty