lighting products


EFP SL28GSTD Emergency Fluorescent Power Pack is a low profile T5 fluorescent emergency ballast. It works with or without an AC ballast to convert new or existing fluorescent fixtures into unobtrusive emergency lighting. They maintain illumination of one lamp in the emergency mode for a minimum of 90 minutes.


Emergency fluorescent power pack for fluorescent fixture applications.

When battery packs are remotely mounted, the remote distance cannot exceed 1/2 of the distance from ballast to lamp specified by the A.C. ballast manufacturer. The maximum allowable remote mounting distance is 50 feet.


  • Provides a minimum of 90 minutes of emergency illumination
  • Compact design fits most fluorescent fixtures
  • AC output ensures compatibility with newer lamp technologies, and helps prolong lamp life
  • Time delay enhancement overcomes end-of-life circuit protection
  • Suitable for inside, top or remote* installation
  • Can be used in both switched and unswitched fixtures
  • Includes low voltage LED combo switch
  • Provides a maximum initial lumen output of 500 lumens

Approvals and Listings

  • UL 924 listed for damp locations
  • UL listed for retrofit/field installation
  • Life safety NFPA 101
  • Suitable for use in sealed and gasketed fixtures.


Low-profile galvanized steel housing.

Operates one T5, T8, T12, Circular T5/T9 and U-bend T8/T12 lamp in emergency mode.


  • Dual voltage input 120V/277 VAC, 60Hz
  • Internal solid-state transfer switch automatically connects the internal battery to fluorescent lamp for minimum 90-minute emergency illumination
  • Charge rate/power “ON” LED indicator light and push-to-test switch for mandated code compliance testing
  • 3.6V Maintenance-free, long life, sealed Nickel Cadmium battery
  • Fully automatic solid-state, two rate charger initiates battery charging to recharge a discharged battery in 24 hours