MidNite Solar pre-wired inverter systems offer a turn key solution to installing a battery based inverter system, saving time in the field. With a pre-wired solution all of the confusion is taken out of selecting all the right parts. Hookup between inverters done with included wire and conduit. This system uses 4 of the SMA Sunny Island inverters that are rated at 6,000 watts each and uses a 48 volt battery. It is specifically designed for AC coupling Grid Tie inverters. It works with up to 24KW of grid tie inverters. It produces 120/240 volts AC and has a single AC input.