Sealed, maintenance-free, high-temperature nickel-cadmium batterySpecification-grade emergency ballast operates one 2', 4' or u shaped fluorescent t8 bulb providing 500 lumens of light outputDurable thermoplastic/metal housing resists impact & corrosionAutomatic battery recharge after 90-minute dischargeMeets life safety codes
The battery pack is meant to be installed in fluorescent fixtures and will run the fixture at a reduced light output. It will run for 90 minutes upon interruption of normal power. The pack can be installed inside or outside of the fluorescent fixture.
Brand: Lithonia Lighting, Model: PSQ500QD MVOLT M12, Color: Black, Size: 500L Back Up