This is the AIMS 4000-Watt low frequency pure sine wave inverter charger. This inverter boasts a 12，000-Watt surge capacity for 20-seconds and will deliver that sheer amount of power on demand. This is the 12-Volt dc to 120-Volt ac version with single bolt type dc terminals that will accept 4/0 (0000 AWG) cable. This 4000-Watt inverter charger has a solid build， coming in at just over 80 lbs. shipped， the huge copper wound transformers inside can discharge reliable true sine wave power at a moments notice. This inverter is Marine， Military and Industrial Grade and can take on many heavy tasks such as running 110-Volt compressors， window air conditioners， large televisions， microwaves， computers， servers and many more items that you might want to run. The AC terminal block allows you to wire directly into a 110-Volt-120-Volt distribution box/breaker box to go into multiple outlets. Making this perfect for RVs， yachts， fishing boats， ambulances， fire trucks， utility vehicles and trucks， tactical response vehicles， military vehicles， tour buses and more. This inverter has a 100 Amp 4 stage smart battery charger， providing rapid charge to any type of 12-Volt battery configuration you may have. The built-in transfer switch boasts a lightning fast 10 milliseconds transfer time.

4，000-Watt continuous power

12，000-Watt surge power for 20-seconds 300% surge capability

12-Volt DC input

120-Volt AC output

Pure sine wave

Battery priority selector

Terminal block

Marine coated and protected

Multi-stage smart charger 115 Amp

Remote panel available

Auto frequency

10 milliseconds typical transfer time

Optional 25-Watt power save mode

Nominal efficiency: 88% plus (peak)

Line mode efficiency: 95% plus

Selectable output frequency: 50 Hz /minus plus 0.3Hz 60 Hz /minus plus 0.3Hz

Typical transfer time: 10 milliseconds (maximum)

THD: less than 10% DC