Lwillis Posted April 14, 2013 Share Posted April 14, 2013 I've fitted a few sounders inside, usually in multiple occupancy office blocks where the landlord doesn't want anything fitted in the lobby. . Link to comment https://www.thesecurityinstaller.co.uk/community/topic/34360-bell-boxes-sab-batteries/page/3/#findComment-313907 Share on other sites More sharing options...
Oxo Posted April 14, 2013 Share Posted April 14, 2013 And that. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/34360-bell-boxes-sab-batteries/page/3/#findComment-313908 Share on other sites More sharing options...
AlarmScot Posted April 14, 2013 Share Posted April 14, 2013 I would say as and when required. I have replaced batteries every 30days due to being made badly and I recently replaced a system however system was working very well for last 20years with no major replacements Link to comment https://www.thesecurityinstaller.co.uk/community/topic/34360-bell-boxes-sab-batteries/page/3/#findComment-313919 Share on other sites More sharing options...
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