Central Battery Units

Bespoke DC Systems - AC/DC

All BPC Central Battery Units (CBU) are bespoke designs with a range of standard features and benefits providing a robust solution to meet specific customer requirements, supplied in wall-mounted and free-standing cabinets with options for high ingress protection.

Available in Maintained, Non-Maintained or Hold Off versions with the option of 1 or 3-hour autonomy, the units are supplied in a robust steel sheet free-standing cabinet finished in a durable beige textured finish.

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  • Bespoke Designs
  • Various Back Up Runtimes


Any battery autonomy can be catered for this will often be designed as a self-contained battery, housed in the base of the CBU. However, depending on runtime requirements, an external cabinet or open steel manufactured racks will be provided.

Valve Regulated Sealed Lead Acid Maintenance Free 12-year design life or Nickel Cadmium 25-year design life options are available, meeting stringent emergency lighting demands.


All BPC Central Battery Units typically have three variations in design, a Non-Maintained System, Maintained System and Hold Off System. These designs can be adapted to suit individual customer requirements.


A Maintained CBU will provide an AC supply to the lights when the AC incoming power is healthy and in the event of a mains power failure at the CBU input, the luminaires will be supplied with a DC supply.


A Non-Maintained CBU will provide a DC supply in the event of a mains power failure at the CBU input.

  • Bespoke designs
  • 12/24/36/48/50/110/220Vdc output options
  • Low voltage cut out, 'Mains On' indicator
  • Automatic reset after using manual test button
  • Extensive range of Slave Luminaires available
  • Various back up runtime to suit specifications
  • Ventilated mild steel cabinets
  • Options for self-contained battery compartments
  • Charge current ammeter fitted as standard
  • Maintained and Non-Maintained options available

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