Constant-Power Emergency LED Driver - 15W - 90 Minute Backup Time Add to Cart SKU: LEDLHED1000050365 MPN: EMA15YY-ZZZ Brand: Helpower Warranty: 5 Year Wattage: 15 W Features: Warranty, Damp Rated, $81.54 View Item for Constant-Power Emergency LED Driver - 15W - 90 Minute Backup Time