why would a 250/100 stay in bulk all night ? its dark outside...
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why would a 250/100 stay in bulk all night ? its dark outside...
The bulk state is triggered by the battery discharging to the rebulk voltage. (Or just under float)
So it is more of a reflection of the point at which you battery is at.
My SmartSolar shows Charge State: Off at night.
Has your SmartSolar ever shut off at night?
If not, then 1) it could be a bad MPPT. 2} If not, it could be a miswire on your part. 3) It could be that a street light (or similar) is shining on your solar panel(s), making enough voltage to fool the MPPT into thinking it is daylight at night.
What voltage and current does the SmartSolar report as coming from your panel(s) at night?
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