EcoFlow DELTA 2 or Könner & Söhnen KS 500PS: 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
Main drawbackThe standard reserve limits prolonged use of demanding appliances
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Könner & Söhnen KS 500PS
Main drawbackContinuous output of 500 W limits it to small appliances
Read the full analysis →Our verdict based on your priority
- Priority: “Rated power”EcoFlow DELTA 2 8 / 10 vs 7
- Priority: “Battery capacity”EcoFlow DELTA 2 7.9 / 10 vs 7.1
- Priority: “Weight”Könner & Söhnen KS 500PS 8.9 / 10 vs 7.9
- Priority: “Number of 230 V sockets”EcoFlow DELTA 2 9.3 / 10 vs 6.9
- Priority: “Equipment”EcoFlow DELTA 2 9.5 / 10 vs 9
By criterion
| Criterion | EcoFlow DELTA 2 | Könner & Söhnen KS 500PS |
|---|---|---|
| Rated power | 8 advantage | 7 |
| Battery capacity | 7.9 advantage | 7.1 |
| Weight | 7.9 | 8.9 advantage |
| Number of 230 V sockets | 9.3 advantage | 6.9 |
| 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
| Specification | EcoFlow DELTA 2 | Könner & Söhnen KS 500PS |
|---|---|---|
| Rated power | 1800 W | 500 W |
| Battery capacity | 1024 Wh | 448 Wh |
| Weight | 12 kg | 4,9 kg |
| Maximum solar input power | 500 W | 120 W |
| Total power of included solar panels | Not provided | 0 W |
| Number of 230 V sockets | 4 sockets | 1 sockets |
| Solar | Solar charging compatible | Solar charging compatible |
| Use | Motorhome | Home backup |
| Battery technology | LiFePO4 | LiFePO4 |
| Non-USB DC outputs | 12 V cigarette lighter socket | 12 V cigarette lighter socket |
| App connectivity | Bluetooth | Bluetooth |
| Built-in transport features | Carry handle | Carry handle |
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 4 criteria of 5 compared
- Number of 230 V sockets: 9.3/10 vs 6.9/10 (4 sockets vs 1 sockets)
- Rated power: 8/10 vs 7/10 (1800 W vs 500 W)
- Battery capacity: 7.9/10 vs 7.1/10 (1024 Wh vs 448 Wh)
- Equipment: 9.5/10 vs 9/10
Könner & Söhnen KS 500PS
Leads on 1 criterion of 5 compared
- Weight: 8.9/10 vs 7.9/10 (4,9 kg vs 12 kg)
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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 Könner & Söhnen KS 500PS?
EcoFlow DELTA 2 scores 8.5/10, compared with 7.8/10 for Könner & Söhnen KS 500PS, using the same scoring criteria.
Which wins on “Number of 230 V sockets”?
EcoFlow DELTA 2 wins on “Number of 230 V sockets”: 9.3/10 compared with 6.9/10 for Könner & Söhnen KS 500PS. Recorded values: 4 sockets versus 1 sockets.
Which wins on “Rated power”?
EcoFlow DELTA 2 wins on “Rated power”: 8/10 compared with 7/10 for Könner & Söhnen KS 500PS. Recorded values: 1800 W versus 500 W.
Which wins on “Weight”?
Könner & Söhnen KS 500PS wins on “Weight”: 8.9/10 compared with 7.9/10 for EcoFlow DELTA 2. Recorded values: 4,9 kg versus 12 kg.
Which wins on “Battery capacity”?
EcoFlow DELTA 2 wins on “Battery capacity”: 7.9/10 compared with 7.1/10 for Könner & Söhnen KS 500PS. Recorded values: 1024 Wh versus 448 Wh.
Which wins on “Equipment”?
EcoFlow DELTA 2 wins on “Equipment”: 9.5/10 compared with 9/10 for Könner & Söhnen KS 500PS.