it depends, if the batteries are really too low, it probably won't be able to bring them back to recharged status since the Inverter may think they are too low and will shut down(red fault light).
The charge light should not be blinking, which means that it is in 'wait' mode - it should be steady green if it is charging, and the 'VOLTS' at the panel readout should reflect a number between 13 -14 volts...
You may have to attach a separate 12v charger to the battery bank to get it back to a voltage condition where the internal charger will pick up and continue...
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the Turners...
two Campers, two Electric cars
former diesel pusher traveler
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