I have a Bluetti AC200 that I bought at the beginning of the COVID lockdowns. It came as a bundle with 200 or 250 watts of solar panels. I cycle it maybe once a quarter to keep it tested.
I've heard good things about EcoFlow though.
You should make a list of what you will want it to run with it...fridge, hotplate, etc...and make sure what you get will handle it.
Key Factors:
1. How much solar you can charge it with. Some won't handle more than like 500W, so even if you buy 2000W of panels, it won't make proper use of them.
2. Battery chemistry - Lithium-Ion vs. LiFePO₄ vs. ??
3. Is it extendable? Can you add battery packs to it in a functional way?
4. Outlet types - Make sure it has the types of power outlets that you need (or might need). Do you need a 30-amp RV outlet? Some have wireless charging capabilities for phones.
Basically, make sure it will meet your bare bones needs.
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