Ecoflow announced the Delta Ultra today at CES, its monster 6kWh home LFP battery pack on wheels. Its 240V/30A= 7.2kW output can back up a home the way a whole home generator or Tesla Powerwall can. However, this thing has wheels and can be loaded into a vehicle to be transported to a campsite or a remote location. EcoFlow provided us with one last month and we’ve taken it to an off-grid tiny…