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Old 01-07-16, 09:33 PM   #19
oil pan 4
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Join Date: Nov 2012
Location: NM
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That's what I did.
Took a PV charge controller and powered it with external non-PV power.
But I built my charger to mimic the output of a PV array, around 21 volts DC open current and then drops down to between 17 and 15 volts while under load.
Just like a solar panel.
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