RCT Axpert MKS2 5KVA/ 5000W Inverter (RCT-AXPERT 5K MK2) - Rated Power: 5000va/5000w, Waveform: Pure sine, Input Voltage: 230V AC, Output AC Voltage Regulation(Batt. Mode): 230V AC ± 5%, Battery voltage: 48 V DC, Maximum PV Array Power: 4500W, Maximum PV Array Open Voltage: 450V DC, Ports&interfaces: USB 2.0 ports quantity: x 1