Not having a onboard genny, my ‘wiz-bang’ goal (minimalist objective by comparison!!) was to be able to run the 11.5kbtu for short periods during brief roadside ‘sandwich building’ sessions. Yet upon compressor start-up, this does require a bit of ‘heavy lifting’ (inverter surge capability, current in-rush) for an electrical system that has only two 6v GC batteries – though the 440w of solar does help to augment this scheme, and later provides a reasonably rapid recovery of the batteries…
With the fan running continuously on Lo speed as the compressor cycles off and on, typically the two batts will drop to about 60-50% state of discharge (SOC) after about 1.5 hrs run time, though run times are seldom of that duration…
Beyond this, at higher altitudes when the genny performance drops off, the voltage sensing inverter (a pass-thru type) briefly provides the required extra boost during each compressor start-up (a few seconds of surge condition), then load shifts back to the genny once the rpm recovers…I see this as a kinda virtual generator assist…
