Pure sine wave inverter, adaptive battery charger, transfer relay â All in ONE unit. Samlex EvolutionTM Series inverter/chargers provide reliable AC power wherever its needed. For use with boats, RVs, cabins and specialty vehicles, as well as alternative energy, back-up and emergency power applications. Using state-of-the-art technology, the Samlex EVOTM inverter/charger operates at 165 million instructions per second with lightening fast load and response times, has 9 points of physical protection monitoring (being scanned up to 10,000 times per second) to detect fault conditions and protect itself in a vast range of adverse environments. The 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. (EVO-RC remote control sold separately.