james.wilson Posted June 29 Share Posted June 29 I wrote this some time ago before I added to the app. Plus my NSI inspector wanted something to use when auditing. Its to perform the battery size calculation for Intruder alarms EN50131 Battery Calculator – Secure It All securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/47325-en50131-alarm-battery-calculator/ Share on other sites More sharing options...
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