20W External Emergency Battery Driver, 90+ Min Runtime, 100–277V Input

The D-EMS-HV-20W is a 20W external emergency battery driver designed to maintain illumination during power outages. It is intended for use with compatible LED luminaires in commercial and industrial applications where code-compliant emergency lighting is required. The driver accepts an input voltage range of 100–277V AC, making it suitable for a wide range of electrical systems. It delivers a DC output of 50–150V and provides a rated runtime of more than 90 minutes on battery. Following a full discharge, the unit requires approximately 24 hours to recharge to full capacity.