EcoFlow DELTA Pro 3 Portable Power Station vs EcoFlow RIVER 2 Portable Power Station
Head-to-head spec comparison to help you pick the right power station for your needs.
Comparing compact stations? See our 300Wh vs 500Wh Power Stations guide for sizing rules and ranked picks.Read the guide →
Spec-by-Spec Comparison
| Spec | EcoFlow DELTA Pro 3 Portable Power Station | EcoFlow RIVER 2 Portable Power Station |
|---|---|---|
| Capacity | 4096 Wh | 256 Wh |
| AC output | 4000 W | 300 W |
| Surge | 8000 W | 600 W |
| Battery | LiFePO4 | LiFePO4 |
| Cycle life | 4000 cycles | 3000 cycles |
| Solar input | 2600 W | 110 W |
| AC recharge | 2 hr | 1 hr |
| Weight | 113.5 lb | 7.7 lb |
| UPS/EPS | EPS/backup ecosystem; electrician caveats | Pass-through/EPS; not medical UPS |
| Ports | AC, USB-C, USB-A, DC/RV | 6 outputs |
| Expandable | Yes | No |
| Price | $2799 | $199 |
| Rating | 9.2/10 | 8.1/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
EcoFlow DELTA Pro 3 Portable Power Station
Pros
- 4096Wh base capacity moves beyond essentials-only backup
- 4000W output, 8000W surge class, and high solar input support serious load planning
- EcoFlow ecosystem is one of the clearest paths toward smart-panel and expansion setups
Cons
- 113.5 lb body is transportable only with planning
- Not a whole-home magic box; circuits, transfer hardware, and electricians still matter
- High price makes load planning mandatory before buying
EcoFlow RIVER 2 Portable Power Station
Pros
- 256Wh LiFePO4 pack is a credible entry point for phones, routers, lights, and short CPAP windows
- About one-hour AC recharge makes it easier to top off between outage windows or campground moves
- Light 7.7 lb body is easier to store and move than most mid-size stations
Cons
- 300W AC output is not a fridge, kettle, microwave, or tool-starter class inverter
- 110W solar input is modest, so solar recovery is slow compared with larger EcoFlow stations
- The small battery leaves little reserve margin for humidified CPAP or overnight multi-device loads
Our Verdicts
EcoFlow DELTA Pro 3 Portable Power Station
DELTA Pro 3 is the EcoFlow flagship for serious home and RV backup. Treat it as an expandable essentials system, not a casual portable station.
EcoFlow RIVER 2 Portable Power Station
Buy the RIVER 2 for a compact emergency drawer station, not appliance backup. It is best when the job is phones, router, laptop, lights, and cautious CPAP use with the exact machine verified first.
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