Xantrex Trace Engineering SW4048 48V 4000W pure sine wave inverter
These inverters are built like a tank. They use heavy duty transformers inside instead of cheap Mosfetts nowadays. They are the best inverters ever made.
Model number: SW4048
Voltage input: 48V DC
Voltage output: 120V AC Pure Sine wave.
Maximum continuous power output: 4000 Watts.
It is designed for solar off-grid and backup power applications, also great for RV or boat, delivering utility-grade sine wave power with a three-stage battery charger