Amazon via EF ECOFLOW has a Portable Power Station RIVER 2 256Wh LiFePO4 Battery 600W AC Outlet on sale for
$239.00 – $54.00 (23%) = $185.00
Use Coupon Code:
ZENHY94K
+ Clip the $30 off on-page coupon
Shipping is free
https://www.amazon.com/dp/B0B8MXPRDB?th=1