Forum Discussion
Gjac
Mar 07, 2019Explorer III
I would go with a stand alone as the previous poster suggested. I bought the 40 amp B&D charger and it does a good job on 2 6 v GC batteries. It has an equalize function at 15+ volts and a desulfating function. I don’t think any of the newer “smart chargers” completely charge your batteries. I use my onboard constant charger to complete the charge and to maintain the batteries. If you don’t have more than 1 or 2 batteries it is a cost effective way of charging and maintaining your batteries. How long did you charge your batteries when you read 12.1 v? Even old or inexpensive charger / converters will charge your batteries if they are good.
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