If you look carefully on the Kinetik website, they have specific voltages that the batteries are supposed to be charged to and then maintained at. When I was looking at chargers, only Xantrex fit the specs, not the prosport. Even on the AGM setting, various chargers will use different algorithms.
As many batteries as some of you have, don't skimp now and go with the 20 amp, your batteries will perform better if they get more juice to recharge them.
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