BLUETTI B230 Battery Module 2048Wh LifePO4 Battery $695.20

With ebay coupon code MEMORIALTWENTY, this Refurbished item will be $695
This is B230 which will need inverter like AC200Max or Ac200P to be used as AC inverter. Battery by itself can be charged with solar panels and use as DC charging.
https://www.ebay.com/itm/134406155978