Been using and testing the for at least 6 months. Bought everything over a year ago, but took awhile to get everything put together in what little spare time i i have. While far from perfect, so far I am pretty happy with the simplicity and ease of build
Aside from all of the "custom" work it's...
I've seen these mentioned around the forums. Depending on shipping cost, this seems like a killer deal for a Low Frequency beast of a heavy inverter. Several inverters are on sale.
ECPC
https://www.electriccarpartscompany.com/6kw-apc-inverter
$30 coupon. Not much info on them. I believe it's a related company/build/design as the Eco-Worthy 100ah batteries. While not a "mini" style battery it's small compared to some of the other well known originals (litime, amperetime, power queen, timeusb, zooms, etc.)...