RCT Axpert V 1KVA/ 1000W Inverter (RCT-AXPERT VM 1K-12V) - Rated Power: 1000va/1000w, Waveform: Pure sine, Input Voltage: 230V AC, Output AC Voltage Regulation(Batt. Mode): 230V AC ± 5%, Surge Power (5 Seconds): 2000VA, Transfer Time: 10 ms (PC); 20 ms (home Applicance), Battery voltage: 12 V DC, Maximum PV Array Power: 500W, Maximum PV Array Open Voltage: 102V DC