Very heavy duty generator, This is a high efficiency inverter Input is 12volts -160 amps amps out put is 15 amps at 1600 Watts with surge up to 2400watts this is enough to run Most large hand or power tools and only consume 160 amps from your car, or truck runs only when power is needed, clutch pulls in and engages generator . It's also designed for real heavy duty applications like a service vehicles or carpet cleaning van or other applications where you need a real 120 volts and do not want to use a generator - it's completely quiet and is also much smaller. This is also in their heaviest-duty category among all of the models they make. It is capable of taking surges (like a power tool starting) up to 2400 watts. Videos are available on line to see it running. Works Great.over 2000 new