How do i change the back up battery in my optima alarm system?
We inherited the optima xm alarm system, but have recently found, during a power cut that it has no back up battery installed. What type of battery do i buy? How do i install it? Are you allowed to install it yourself, or do you need an electrician? Please help as my ears are still ringing.
It's easy to fit the battery - you will need a 2.1Ah if it's a compact panel, or up to 7.0Ah if it's full size. Have a look here http://www.diy-alarms.co.uk/catalog/how_to_10.php for more info
howard
May 2008
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