I would expect an AGM to last from between 5 to 7 years as opposed to the usual 3 to 4 year life of a lead acid wet cell....
The manufacturer you mention would not (in my opinion) be likely to have installed a high quality unit, but happy to be proved wrong. Are they a well known battery brand?
Cheers.
Last edited by Mace1; 01-12-2021 at 11:17 AM.
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