With the 220W bifacial panel, it's $849. But the panel alone is less than $300, so not sure why you would do that deal.
Specs
1.5 kWh Capacity for Backup, Outdoor Workstations, and Recreation
Charges from 0% to 80% in Just 60 Minutes
1800W AC Output with 15 Outlets for Multiple Devices
Fully Recharges in 3.5 Hours with 500W Solar Input
LFP Cells with 3000 Cycles to 70%, 10-year Lifespan, and 5-year Warranty
https://www.costco.com/p/-/ecoflo...?langI