Lithonia Lighting Contractor Select EI500 Series 120-Volt/277-Volt 500 Lumens Fluorescent Battery Pack

Lithonia Lighting's Contractor Select edition of the 500 Lumens fluorescent emergency ballast operates most 2 ft. or 4 ft. linear or U-shaped single T8 or T12 lamps. The battery is rated for 90-minutes of run time per OSHA standards. Sealed, maintenance free and easy to install, this ballast pairs convenience and quality in 1 reliable product.|Low-profile black, 20-Gauge steel, permanently sealed housing|Patent integrated test switch pilot light|Sealed, maintenance-free, high-temperature nickel-cadmium battery|Dual-voltage input capability (120-Volt/277-Volt)|UL listed