Gazcw
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Not sure they do. I read somewhere they need a different charging voltage too and on battery chargers they need agm setting as normally there is a de-sulphur phase or similar, that an agm does not need or like.Right - mine has that setting. Any logic in my theory that AGM batts. have more ooomph due to having to stop start a fairly hefty V8 lump? Even tho mines a QP5 and not stop/start?