Brand new in box 7.0KW split system air conditioner $800

Brand new in box 7.0 KW split system air con Brought this for a granny flat build, however Im trying to run it as off grid. This will draw too much power. So will go smaller. Kogan brand, paid $1050 with shipping. And it was on a 40% off sale, so originally should be $1800 plus shipping $800 ono Pick up Greenbank