jasonc

its ok I called my original installer and he recommended anything up from 7amh but for Grade 2 cert which mine is 17amh so I'm going to pick one up.

Hi Need some help. My panel flashed +BAT MIS today. First time its ever shown this and I looked up advice and it suggests a faulty battery. I have the engineering code etc and pretty conversant with what to do to change the battery however I don;t know which battery to buy? The manual suggests a 12v 7amh battery with a plastic box and 12v 17amh for a metal box? When reading the installation guide on connecting the battery is says a min can be 12v 7amh but when reading the Honeywell site it says for a 2-20 you need 12v 12amh min? What minimum should I use? I see Screwfix has 7amh but I have to search wider to find a 12amh. The current battery in the unit was installed in 2007 and is a Texecom 12v 18ah. Thanks