I have got two , 24 volt, 4000 watt pure sine wave inverters on two separate controllers and two separate battery banks. If I decided to sell the two inverters and go with one split phase, 120/240, 5000 to 8000 watt, either 24 or 48 volt inverter, what would be the best choice? Low stand by power consumption a big plus. This is not grid tied nor do i need a charger in it.