Battery float - storage voltage
I have 7 year old Lifeline AGM batteries that seem to be doing fine. Until recently I had a PWM single stage controller set at 13.7 volts. I have upgraded to a Blue Sky MPPT controller. This contro...
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Once the batteries are fully charged in storage I would simply turn that controller off and disconnect the battery. OK to sit 4 to 6 months without issue.
Much better to have a controller that automatically adjusts absorption time depending on use.
Much better to have a controller that automatically adjusts absorption time depending on use.
