EVO-3012 is a 3000 Watt Pure Sine inverter, 12 VDC input, 120 VAC output, 50/60 Hz. It intelligently integrates a 130 Amp 4 stage Battery Charger and a 70 Amp Transfer Relay into an advanced and affordable off-grid power solution.It combines pure sinewave inverter circuits with an adaptive battery charger and a transfer relay - all in one device. Ideal for use with boats, RVs, cabins, specialty vehicles, as well as alternative energy, back-up, and emergency power systems.The inverter/charger has a 9-point self-monitoring system sampling up to 10,000 times per second to detect faults and protect itself in a vast range of adverse environments.