EcoFlow DELTA Pro vs EcoFlow RIVER 2 Max

“I've been looking at doing exactly what you describe: 2 Anker F3800+'s with the dual hub connector can provide up to 12KW same as your generator. 2 Ecoflow Delta Pro 3's can be similarly combined for 8KW. Costco had a sale for the 2 units for $4200 that just ended. Ecoflow looks cheaper, but their support from China is worse... firmware updates can turn the system into a brick. Ecoflow also advertises you describe with their smart generator started/stopped by the battery... they claim something like a 40% increase in efficiency by letting the generator run at peak performance. Your idea also lets you use a much smaller generator as you only need to supply the average load vs. the peak loads. It's also a lot quieter when only running the generator to top off the batts... probably won't run at all over night.”

“Startup/Shutdown Amps on my Vevor DH, not quite 1 year old yet, requires around 12A. Make absolutely sure any power station you buy can output more than DC 10A because A LOT of them don't. My Ecoflow River2 Max does not output more than 10A so I can't use DC off of it to run my DH. I reverted to using a 30Ah LiFePO4 and it will run my DH just fine for about 7-8 hours at an outside ambient temp of 25f to a low of 17f, is what I experienced and the battery was around 20%. That was with settings where inside my tent was around 51f - 55f. I do have both solar and DC-DC charger but will be looking to upgrade to a LiFePO4 battery in the 200Ah range.”