I wish there were more high capacity units built without an inverter. I would rather the additional weight/space/expense be dedicated to storage, I (maybe not you, but I) have no need for 120v.
I also (on my unrelated wish list) wish that manufacturers would quit with the cigarette lighter style plug ins, they are garbage in a high vibration environment and will ultimately end up unplugged when you need them the most.
I'm happy that "power stations" exist, I would just like to see more power and reliable functions.
I use a Dr Prepare 12v 100 Ah battery that has a USB / 12v hub; no inverter. Like you, I had no use for an inverter, and got way more capacity (1280 Wh) for a lower price. I have used it to run my fridge for up to 5 days and only used half its capacity. Only downside is that if there is a long enough lull in the fridges power draw, the battery will shut itself off, and I have to hit the power button on the hub to turn it back on.
I got it on sale for $339 USD, current prices are a bit higher:
100Ah 12V PowerMax LiFePO4 Battery / 1280Wh Portable Power Station
Dr. Prepare PowerMax is a combination of a 12V 100Ah LiFePO4 battery and a solar generator, supplying power during your RV travel, outdoor camping, and it can be also used as the emergency power and home backup battery.
drprepare.com
I bought a folding solar panel for it, but have found that using a cheap 12v to anderson cord from amazon keeps the battery fully charged with the trucks 12v port during my regular weekday driving; I have never used the solar panel:
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