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Gjac's avatar
Gjac
Explorer III
May 02, 2016

Adjusting a Magnatec 950 converter

I have an old Magnatec 950 converter that is slowly losing its charging voltage. 11 years ago it used to charge at 13.6v or so and is now down to 13 v. can these old converters be adjusted? Manual says the failure mode is that it just stops charging altogether. I have a B&D 40 amp "smart charger" that I use to recharge batteries after dry camping then disconnect and float with the Magnatec. I don't think these smart chargers ever fully charge the batteries because I notice I get a few more days of dry camping when I float for a couple of days with the old Magnatec after B&D says full. I would just like to have it float a little higher.
  • Chris_Bryant's avatar
    Chris_Bryant
    Explorer II
    May 02, 2016
    You can try replacing the capacitors, though those are a bit hard to find. Pay attention to the voltage of the capacitors- they need to be rated for the high voltage, as the circuit in that converter is in the 5-600 volt range. Other than that, there is really no adjustment on the ferroresonant type like that one.

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