My 1st inverter also was an Xantrex. My records show that I bought it in 2003 from West Marine for $479.00, which included the inverter, 3ft of blk and red #2 wire, and ends, and finally a 250amp fuse and holder.
Now you have to understand that, that was West Marine.
18 years later, and thanks to the internet, I bought the new and improved inverter direct from Xandrex for $417.00
And they have great customer service & tech support.
The Xantrex brand, is one of the most successful and popular brands of onboard AC power technology. ... With more than three decades of design, engineering and manufacturing experience, Xantrex power solutions offer an enviable mix of advanced technology and unmatched bankability.
Of course some reviews say they are crap, and don't waste your money.
My track record with them is all positive.