EcoFlow DELTA Pro 3 Portable Power Station vs EcoFlow RIVER 2 Max Portable Power Station
Head-to-head spec comparison to help you pick the right power station for your needs.
Spec-by-Spec Comparison
| Spec | EcoFlow DELTA Pro 3 Portable Power Station | EcoFlow RIVER 2 Max Portable Power Station |
|---|---|---|
| Capacity | 4096 Wh | 512 Wh |
| AC output | 4000 W | 500 W |
| Surge | 8000 W | 1000 W |
| Battery | LiFePO4 | LiFePO4 |
| Cycle life | 4000 cycles | 3000 cycles |
| Solar input | 2600 W | 220 W |
| AC recharge | 2 hr | 1 hr |
| Weight | 113.5 lb | 13.4 lb |
| UPS/EPS | EPS/backup ecosystem; electrician caveats | EPS/pass-through; not medical UPS |
| Ports | AC, USB-C, USB-A, DC/RV | 11 outputs |
| Expandable | Yes | No |
| Price | $2799 | $399 |
| Rating | 9.2/10 | 8.5/10 |
| 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 Max Portable Power Station
Pros
- 512Wh capacity is the first tier that feels comfortable for overnight CPAP or longer router/laptop runtime
- Fast AC recharge and 220W solar input beat many entry stations
- 13.4 lb weight keeps it genuinely portable
Cons
- 500W output is limiting for cooking appliances and some fridge startup cases
- No expansion path if you later want a bigger home-backup system
- Solar recovery still needs good sun and realistic panel expectations
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 Max Portable Power Station
The RIVER 2 Max is the honest middle ground for CPAP, camping, laptops, and small outage loads. Size up if your plan includes a refrigerator or high-surge appliance.
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