EcoFlow / DELTA 2 Max
US backup power / decision tool
Size the power.
Then choose.
A source-linked screening tool for the load you actually need—not another generic “best power station” list.
Start with your use case01 A clear load beats a vague recommendation.
01 / Your load
Start with the moment
you need to survive.
Use a real appliance or a conservative estimate. The result is a screening signal, not a promise.
Efficiency is an explicit assumption. Real runtime varies with temperature, reserve, duty cycle, inverter behavior and battery condition.
02 / Screening result
How the same load
changes the decision.
Enter a load to see the comparison.
Jackery / Explorer 2000 Plus
Higher-output 2 kWh class
03 / Read the assumptions
A useful answer
shows its edges.
Nominal watt-hours are only one input. The actual choice can turn on surge behavior, transfer-switch setup, solar input, portability, warranty and the exact appliance.
What this screen does not prove
- It is not a manufacturer guarantee or independent test.
- It does not determine electrical-code compliance or installation safety.
- It does not include a live affiliate link or commission tracking.
- It does not choose a “best” product without a complete use case.
Disclosure placeholder: When a merchant link is approved, a clear affiliate disclosure must appear next to the recommendation.