Before the next power outage hits, equip you home with the DJI Power 1000 V2 while it's on sale for $399. Just be sure to ...
I tried the Topdon JS3000 out of the box, but the real test came six months later when I had to dig it out again.
I tested the EcoFlow Delta 3 Max Plus during a recent power outage, and it didn't flinch, even in cold weather.