EcoFlow RIVER 2 vs EcoFlow DELTA 2
EcoFlow entry vs mid-range — worth the upgrade?
Our Verdict
EcoFlow RIVER 2 wins overall
Score 69 vs 60 —
better value at $0.74/Wh
| Spec | RIVER 2 | DELTA 2 |
|---|---|---|
| SunSee Score | 69★ | 60 |
| Capacity | 256 Wh | 1,024 Wh★ |
| AC Output | 300W | 1,500W★ |
| Surge Output | 600W | 2,250W★ |
| Solar Input | 110W | 500W★ |
| Weight | 3.5 kg★ | 12 kg |
| Cycle Life | 3,000 | 3,000 |
| Charge Time | 1h★ | 1.3h |
| $/Wh | $0.74 | $0.68★ |
| Battery Type | LiFePO4 | LiFePO4 |
Choose EcoFlow RIVER 2 if:
- +Ultra lightweight
- +Fast AC charging
- +LiFePO4 longevity
Choose EcoFlow DELTA 2 if:
- +1500W handles most appliances
- +Fast solar input
- +Expandable to 3kWh
Not sure which size you need?
Our calculator tells you the exact capacity based on your appliances.
Size My SystemAffiliate Disclosure: Links may earn a commission at no extra cost to you. Learn more. Specs from official product pages as of July 2026.