Head to head

EcoFlow DELTA 2 or EcoFlow DELTA 3: which should you choose?

Comparison of the two portable power stations using our catalogue's scoring criteria, value by value. Scores are relative to all the models we have analysed.

EcoFlow DELTA 2, studio product shot

EcoFlow DELTA 2

8.5/10
Overall rating

Main drawbackThe standard reserve limits prolonged use of demanding appliances

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EcoFlow DELTA 3, studio product shot

EcoFlow DELTA 3

8.4/10
Overall rating

Main drawbackContinuous heavy loads soon use up the available energy

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Our verdict based on your priority

  • Priority: “Equipment”EcoFlow DELTA 2 9.5 / 10 vs 9

By criterion

Comparison of EcoFlow DELTA 2 and EcoFlow DELTA 3 by criterion
Criterion EcoFlow DELTA 2 EcoFlow DELTA 3
Rated power 8 8
Battery capacity 7.9 7.9
Weight 7.9 7.8
Number of 230 V sockets 9.3 9.3
Equipment 9.5 advantage 9

A gap of less than half a point does not count as an advantage: our scores are relative to the catalogue, and using them to pick a winner would imply a level of precision we cannot offer.

Side-by-side specs

Specifications for EcoFlow DELTA 2 and EcoFlow DELTA 3
SpecificationEcoFlow DELTA 2EcoFlow DELTA 3
Rated power1800 W1800 W
Battery capacity1024 Wh1024 Wh
Weight12 kg12,5 kg
Maximum solar input power500 W500 W
Number of 230 V sockets4 sockets4 sockets
SolarSolar charging compatibleSolar charging compatible
UseMotorhomeMotorhome
Expansion batteryCompatible with an expansion batteryCompatible with an expansion battery
Battery technologyLiFePO4LiFePO4
Non-USB DC outputs12 V cigarette lighter socket12 V cigarette lighter socket
App connectivityBluetoothWi-Fi
AC outlets4 230 V outlets4 230 V outlets

Figures published by manufacturers and retailers, compiled in our reviews. “Not provided” means the figure could not be verified.

Which is right for you?

EcoFlow DELTA 2

Leads on 1 criterion of 5 compared

  • Equipment: 9.5/10 vs 9/10
View EcoFlow DELTA 2 →

EcoFlow DELTA 3

Leads on 0 criterion of 5 compared

  • No numerical specification sets it apart in this comparison.
View EcoFlow DELTA 3 →

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Comparison based on published specifications and our scores, calculated using the same criteria for every model. Our methodology →

Frequently asked questions

Which is rated higher, EcoFlow DELTA 2 or EcoFlow DELTA 3?

They're neck and neck: 8.5/10 for EcoFlow DELTA 2, 8.4/10 for EcoFlow DELTA 3. A gap of less than half a point does not count as an advantage.

Which wins on “Equipment”?

EcoFlow DELTA 2 wins on “Equipment”: 9.5/10 compared with 9/10 for EcoFlow DELTA 3.

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