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SMS's AC battery systems are designed to provide up to 3 hours of reliable, continuous power to luminaires, exit signage and other life safety devices in the event of a power failure. They are highly efficient and can be used with a wide range of normal mains voltage fittings which means they can achieve higher light levels than traditional low voltage emergency luminaires.


DC battery systems automatically provide an alterative power supply in the event of AC supply failure. SMS systems can be customised to meet a site's requirements – a wide range of standard ratings are available, and the system is compatible with an extensive selection of batteries with design lives of up to 25 years.