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Old 08-17-2017, 07:08 PM   #12
BruceK
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Join Date: Oct 2011
Posts: 10,053
It`s a comparison between the reliable old style ferro resonant and modern multistage chargers which may be less reliable or long lived, but more likely to get the batts full and hold them there without overcharge.
If I didn`t have some solar I`d update the old Newmar, though when I suggested updating to a shipwright, he said reliability might outweigh new developments(not in those words!). We see posts on TF about problems with modern chargers, but I think they have charging efficiency ferro chargers don`t.
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BruceK
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