Old automotive battery charger question
I have an approx. 40 year old 12/6 volt automotive battery charger. When set for 12 volts and not connected to a battery, it reads 12.81 volts. Set to 6 volts and not connected to a battery, it reads ...
Forum Discussion
I would keep that old charger for two reasons. If your on board charger does not have an equalizing function that puts out 15-16 volts you can use your portable. What is the output of your onboard charger? Secondly I don't believe the algorithms in these smart chargers fully charge the batteries. I use my 25 year old Magnetek charger to charge for several days after my smart charger says ful and I get several more days of dry camping before batteries reach 50% SOC.
