Growatt INFINITY 1500 vs EcoFlow DELTA 2
Solar giant vs power station king at 1.5kWh
Our Verdict
EcoFlow DELTA 2 wins overall
Score 60 vs 59 —
better value at $0.68/Wh
| Spec | INFINITY 1500 | DELTA 2 |
|---|---|---|
| SunSee Score | 59 | 60★ |
| Capacity | 1,512 Wh★ | 1,024 Wh |
| AC Output | 2,000W★ | 1,500W |
| Surge Output | 4,000W★ | 2,250W |
| Solar Input | 800W★ | 500W |
| Weight | 17.5 kg | 12 kg★ |
| Cycle Life | 3,000 | 3,000 |
| Charge Time | 1.2h★ | 1.3h |
| $/Wh | $0.59★ | $0.68 |
| Battery Type | LiFePO4 | LiFePO4 |
Choose Growatt INFINITY 1500 if:
- +2000W from PV inverter leader
- +Fast solar charging
- +UPS function (seamless switchover)
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.