The ilb cp05 he from iota is a ul listed led emergency driver for field or factory installation that allows the same led fixture to be used for both normal and emergency operation. In the event of a power failure, the ilb cp05 he switches to the emergency mode and operates the existing fixture for 90 minutes. The unit contains a battery, charger, and converter circuit in a single enclosure and is available in different mounting configurations for individual fixture requirements. The patented constant power design of the ilb cp05 he maintains the output wattage to the led array even as the system voltage diminishes, resulting in a constant illumination level for the entire emergency runtime. The ilb cp05 he features high-efficiency performance and is certified in the ca title 20 appliance efficiency database.