The difference in one line
The Delta 2 Max holds 2,048Wh against the Delta 2’s 1,024Wh, with more output. Everything else — the fast charging, the app, the build — is the same family.
| Delta 2 | Delta 2 Max | |
|---|---|---|
| Capacity | 1,024Wh | 2,048Wh |
| Continuous output | 1,800W | 2,400W |
| Fridge runtime | ~6 hours | ~11 hours |
| Portability | Easier | Heavier |
| Price | Lower | Higher |
The question that decides it
Does a full-size fridge need to survive the night?
Six hours does not get you to morning. Eleven does. That is the entire difference, and it is why the 2,000Wh class exists — it is the first size where a power station covers an overnight outage without you setting an alarm.
If your list is phones, laptops, lights, a CPAP and internet, the Delta 2 is plenty and the Max is money spent on capacity you will not reach. See what size power station do I need.
Before you buy the Max, price the Bluetti AC200LCheck price at BLUETTI. Same capacity, more watt-hours per dollar, slower to recharge. If you rarely recharge, that trade favours Bluetti.