Aims Power 4000 Watt Pure Sine Inverter Charger 12VDC to120/240 VAC 50 OR 60HZ 4000 watt low frequency inverter, 12000 watt surge for 20 seconds 300% surge capability, 120/240 Vac output Split Phase Battery Priority Selector, Terminal Block, Marine Coated and Protected, Multi Stage Smart charger 115 Amp, Remote panel available Auto frequency, 10msec typical transfer time, Selectable 25W power save mode (hibernation) 7 battery type settings for charger, 40 amp automatic transfer switch, Over Charge Protection Shutdown 15.7V Selectable Charge setting based on battery type, Adjustable charge current off-20%-100%, Four Stage Smart Charger 4000 Watt continuous pure sine power 12000 watt peak power for 20s Built in 105A smart battery charger with 7 selectable battery type settings Auto gen start feature Marine and industrial grade