With inverter turned off, nothing plugged into the downstream side, when I try to connect to the battery, I get a strong spark. Is there a fault?
With inverter turned off, nothing plugged into the downstream side, when I try to connect to the battery, I get a strong spark. Is there a fault?
This will most likely just be the inrush current from the battery as the unit's capacitors charge up (this is assuming that the unit is correctly connected, of course).
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