EcoFlow DELTA 2 vs EcoFlow DELTA 2 Max
EcoFlow 1kWh vs 2kWh — when to go bigger
Our Verdict
EcoFlow DELTA 2 wins overall
Score 60 vs 58 —
better value at $0.68/Wh
| Spec | DELTA 2 | DELTA 2 Max |
|---|---|---|
| SunSee Score | 60★ | 58 |
| Capacity | 1,024 Wh | 2,048 Wh★ |
| AC Output | 1,500W | 2,400W★ |
| Surge Output | 2,250W | 4,800W★ |
| Solar Input | 500W | 1000W★ |
| Weight | 12 kg★ | 23 kg |
| Cycle Life | 3,000 | 3,000 |
| Charge Time | 1.3h★ | 1.7h |
| $/Wh | $0.68 | $0.68 |
| Battery Type | LiFePO4 | LiFePO4 |
Choose EcoFlow DELTA 2 if:
- +1500W handles most appliances
- +Fast solar input
- +Expandable to 3kWh
Choose EcoFlow DELTA 2 Max if:
- +Massive capacity
- +2400W output
- +Expandable to 6kWh
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.