Attempting to lower the load to 250w to drain the battery came to the same result as before in terms of efficiency. I have no means to drain the battery via the DC output on the device at this time.
As for the passthrough, what I can say is that the device will pull as much as 1730w from the plug in passthrough. So if your load is say 1200w, then you will get a 530w into the battery. What I cannot test but I assume it does condition those 1200w in passthrough but I cannot be certain of any of this as I do not have the equipment to see the waveform.
Final test for me at least, is recharging the device via an open frame generator, the generator does have AVR but I can see the voltage does fluctuate 5% when adding and removing large resistive loads. Getting late here, go will do the generator test tomorrow to see if the Renogy likes this or not.
As for the passthrough, what I can say is that the device will pull as much as 1730w from the plug in passthrough. So if your load is say 1200w, then you will get a 530w into the battery. What I cannot test but I assume it does condition those 1200w in passthrough but I cannot be certain of any of this as I do not have the equipment to see the waveform.
Final test for me at least, is recharging the device via an open frame generator, the generator does have AVR but I can see the voltage does fluctuate 5% when adding and removing large resistive loads. Getting late here, go will do the generator test tomorrow to see if the Renogy likes this or not.