Quote:
Originally Posted by Islandsmith
I just re-read this Ted. To be clear, the 4.8V reading at the input terminals is ONLY when the cables are connected. Disconnected they read 12.8.
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Correct. So either the voltage at the batteries is also dragged down to 4.8 VDC when connected, or you are losing (dropping) 8 VDC between the battery and the inverter. Voltage drop only occurs when current is flowing, but even a small "keep alive" current on the inverter may cause a voltage drop across an iffy connection.