Warehouse-Lighting.com’s emergency ballast for
600-700 lumen fluorescent fixtures includes a high-temperature,
maintenance-free nickel-cadmium battery, charger and electronic circuitry in a
compact white metal case. A solid state charging indicator light lets you monitor
the charger and battery. AC input power is 3.5 watts, and voltage is 120-277V. It’s
compatible with most one, two, three and four-lamp electronic, standard,
energy-saving and dimming AC ballasts. This emergency ballast comes with
installation hardware and a five-year warranty.