20W Emergency LED Driver - UL Listed - Constant Output Power - 90-Minute Illumination20W Emergency LED Driver UL Listed Constant Output Power 90 Minute Illumination Product Description Ensure safety and reliability with the Lumens Depot 20W Emergency LED Driver. Designed to provide uninterrupted lighting during power outages, this UL924 and CSA C22. 2 NO. 141 listed driver offers constant output power, ensuring reliable illumination for up to 90 minutes. Featuring an illuminated test switch, charging indicator light, and intelligent