Sorry, That is too general of a question to accurately answer. The amount of power people use in the RVs varies wildly. The Bluetti Max has a 2048-watt-hour battery. AC inverter efficiency is about 90% so you have about 1840 watt-hours to use.
It can take expansion batteries that can double or triple that.
Example: If you run a 100-watt TV it would last 18.4 hours. If you run an 1840-watt microwave it would last 1 hour.
You'd have to figure out your average hourly power consumption for your particular use case to know.
You could use a meter such as a Kill-a-Watt meter to find out https://www.loveyourrv.com/kill-a-watt-meter-rv-power-test-gadget/
When I was reviewing the similar Bluetti AC200P I did a real-world camping test for our RV. We are moderate power users. https://www.loveyourrv.com/bluetti-ac200p-off-grid-2000w-portable-power-station-review-real-world-tests/ See the last video on the page.

One of my concerns would be the security of the Bluetti and the connection to the RV. My cord is located at the rear and my basement storage is at the front. Your thoughts?

I like the idea of this over a generator since it’s quiet.

If the regular RV power cord can't reach. Any decent 20 amp extension cord should work well. What I have done since I've been testing more and more of these power stations now is installed a 30 amp power transfer switch https://www.loveyourrv.com/30-amp-rv-power-transfer-switch-installation-go-power-ts-30/
For security, most of these power stations have heavy-duty handles that a cable lock can go through. Also since they don't emit fumes they can be kept in the RV.
Here is my current setup - https://www.loveyourrv.com/our-rv-boondocking-power-systems-current-state-of-things-2022/ I incorporated the power station into my other boondocking power systems using the transfer switch. The power station lives in the middle of my basement storage.