I have been experiencing problems with battery charging voltage. On some control panels I service, the voltage is as low as 12.5 instead of the recommended voltage of 13.5 and13.8, and the battery is only 12 month old. What would you suggest is the best way to rectify this problem? I look forward to hearing your expert advice.
First, I would suggest you measure the charging voltage with the battery disconnected. If the voltage across the battery leads is low, you will need to know how the individual control panel is set up. From our experience, panel manufacturers charging voltages vary and I would suggest you contact the individual panel manufacturer(s) as on some panels the charging voltage is easily adjustable and on others it is fixed and you may even need to send the panel to the manufacturer to get this problem rectified. I hope this will assist you.

Ashley Thomas of FM Electronics

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Security Installer