StandbyCalc

By D4N LTD on AppTrack Ninja.

UK alarm battery sizing tool

StandbyCalc is the fastest way to calculate standby battery requirements for UK fire and intruder alarm systems. Built for engineers, by engineers. Enter your quiescent and alarm currents, select your system grade or category, and get an instant answer — including which standard battery size you need. SUPPORTS: - Intruder alarms — BS EN 50131 / BS 9263, Grades 1-4 - Fire alarms — BS 5839-1:2025, Categories L, M, and P - Standalone PSUs — custom standby and alarm periods FREE FEATURES: - All battery calculations - All standards and grades - Save unlimited calculations - Standard battery size r…

Categories: Utilities, Productivity

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