20W External Emergency Battery Driver, 25-48V Output, 100-277VAC Input, 90+ Min Runtime

The D-EMS2-20W is a 20W external emergency battery driver designed to maintain illumination during power outages. It connects to compatible LED luminaires and provides a self-contained backup power source for commercial and industrial emergency lighting applications. The driver accepts 100-277VAC input and delivers a 25-48V DC output at 20W, with a 3,000mAh lithium-ion battery providing greater than 90 minutes of rated runtime. Recharge time is 36 hours, and the unit operates across a 0 to 50°C ambient temperature range. LELV protection is included in the design. The driver carries a 1-year warranty.