EcoFlow
EcoFlow 400W Portable
400 W rated
EcoFlow connector
≈ 1,440 Wh/day
$599 · $1.50/W
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What it recharges
Daily regain assumes 3.6 effective sun-hours (real-world panel positioning, not lab peak). Stations cap solar input — watts over the cap sit idle.
| EcoFlow River 2 Pro | 792 Wh/day at 220 W effective — over the 220 W input cap · refills 121% of its usable battery |
|---|---|
| EcoFlow DELTA 2 | 1,440 Wh/day at 400 W effective · refills 165% of its usable battery |
| EcoFlow DELTA 2 Max | 1,440 Wh/day at 400 W effective · refills 83% of its usable battery |
| EcoFlow DELTA Pro 3 | 1,440 Wh/day at 400 W effective · refills 41% of its usable battery |
| EcoFlow DELTA 3 Plus | 1,440 Wh/day at 400 W effective · refills 165% of its usable battery |
| EcoFlow RIVER 3 Plus | 792 Wh/day at 220 W effective — over the 220 W input cap · refills 326% of its usable battery |
Specifications
| Rated output | 400 W |
|---|---|
| Connector | EcoFlow proprietary connector |
| Est. daily energy | 1,440 Wh at 3.6 effective sun-hours |
| Price | $599 |
| Cost per watt | $1.50/W |
Alternatives to consider
- Rich Solar 400W Kit (MC4) — 400 W at $579 ($1.45/W)
- Anker SOLIX PS400 — 400 W at $699 ($1.75/W)