I run two DeltaPro+ExtraBattery units 24/7/365. I watch my app WAY too much. Mostly because I don't have enough battery capacity. I wish I had 2 more ExtraBatteries so I wouldn't have to worry so much about capacity. But yeah .. I watch my input ALL.THE.TIME.
I don't know why Bluetti makes the specifications so hard to find. I have scrolled through your link 3 times and STILL can't see that the AC300 doesn't have the battery. Imma just take your word for it. The combo is still a good price point. Much better than the Titan. Pretty competitive with...
How does one become a member? I logged into my Bluetti account, but there is absolutely no information about these new products there. I have locked in on the new 3000w Ecoflow DeltaPRO, with extra battery. If the Bluetti 3000W + extra battery will be $2899 .. that's a lot less money, like a grand.