Smallest 5000w portable battery

[Roy Wilson]

I just ordered one of those Ecoflow Wave II and want to use the heater during winter camping. But will need some serious power. Whats the smallest ~5000w portable battery?

 

[Derek]

Have you looked at the Yeti6000X? It's actually on sale for $3500 right now.

 

[Pro Drywall]

OUPES has one, but it's like 114lbs