Pure sine wave inverter, battery charger and transfer switch - all in ONE device. Power the comforts of home while dry camping with the EVO inverter/charger RV power system. Run lights, a TV, microwave, hair dryer, computer and more without ever having to reconfigure your equipment when AC power is available!The EVO inverter/charger has separate inputs for shore power, a generator, a solar charging system - all three can be used to charge a bank of batteries. The EVO will automatically switch between different power sources as they become available and will convert the battery power to run 120 Volt devices when boon docking.Using state-of-the-art technology, the Samlex EVO inverter/charger operates at 165 million instructions per second with lightening fast load & response times and has 9 points of physical protection monitoring being scanned up to 10,000 times per second - it doesn't get much smarter than this.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 RV power solution.