EcoFlow DELTA 3 UltravsGROWATT HELIOS 3600
Head-to-head comparison of scores, specs, and features.
VS
Winner
EcoFlow DELTA 3 Ultra
81.0Grade B+
Price
$1599.00
AC Power
3600W

GROWATT HELIOS 3600
77.8Grade B
Price
$1599.00
AC Power
3600W
EcoFlow DELTA 3 Ultrawins by3.17points overall.
The Verdict
Overall take
Buy EcoFlow DELTA 3 Ultra if
- Better Ac Charge Speed: 114 vs 1800
- Better Energy Density Wh Per Kg: 93.9 vs 37.2
- Better Weight: 32.7 vs 99
Buy GROWATT HELIOS 3600 if
- Better Expandable Capacity: Yes vs No
- Better Parallel Expansion: Yes vs No
- Better Portable: True vs No
Top 3 Key Differences
Expandable Capacity
Novs Yes
Score: 0 vs 100
Parallel Expansion
Novs Yes
Score: 0 vs 100
Portable
Novs True
Score: 0 vs 100
Performance by Category
ChargingEcoFlow DELTA 3 Ultra wins
EcoFlow DELTA 3 Ultra
94.0
GROWATT HELIOS 3600
85.0
AC PowerTie
EcoFlow DELTA 3 Ultra
100.0
GROWATT HELIOS 3600
100.0
ConnectivityTie
EcoFlow DELTA 3 Ultra
75.0
GROWATT HELIOS 3600
75.0
PriceTie
EcoFlow DELTA 3 Ultra
83.0
GROWATT HELIOS 3600
84.3
BatteryGROWATT HELIOS 3600 wins
EcoFlow DELTA 3 Ultra
56.0
GROWATT HELIOS 3600
97.9
PhysicalTie
EcoFlow DELTA 3 Ultra
52.2
GROWATT HELIOS 3600
51.7
Advanced FeaturesGROWATT HELIOS 3600 wins
EcoFlow DELTA 3 Ultra
66.7
GROWATT HELIOS 3600
94.8
WarrantyTie
EcoFlow DELTA 3 Ultra
100.0
GROWATT HELIOS 3600
100.0
Full Technical Specifications
| Feature | EcoFlow DELTA 3 Ultra | GROWATT HELIOS 3600 |
|---|---|---|
Charging | ||
| Ac Charge Speed | 114 | 1800 |
| Charger Type | AC wall adapter, 100-120V~15A 50/60Hz input | MPPT |
| Fast Charging | Yes | Yes |
| Max Solar Input | 800 | 2000 |
| Max Solar Panels | 2 | — |
| Pass Through Charging | Yes | Yes |
| Smart Charging | Yes | Yes |
| Solar Connector Type | XT60i | MC4 |
| Solar Panel Compatibility | EcoFlow 110W, 160W NextGen, 220W Bifacial, 400W Portable Solar Panels; third-party panels via XT60 connector (11-60V, 18A max) | Universal, 12-60V, 2000W max input |
AC Power | ||
| Ac Output Amps | 120V~60Hz, 20A (x4 outlets), 30A (x1 outlet) | 20A per 20A outlet |
| Ac Power Continuous | 3600 | 3600 |
| Ac Power Surge | 7200 | — |
| Ac Wave Quality | Pure Sine Wave | Pure Sine Wave |
Connectivity | ||
| App Control | Yes | Yes |
| Bluetooth | Yes | Yes |
| Wifi Connectivity | Yes | Yes |
| Wireless Charging | No | No |
Price | ||
| Base Price | 1599.00 | 1599.00 |
| Bundle Price | 1799.00 | 3099.0 |
| Cost Per Wh | 0.52 | 0.434 |
| Price Description | $1,200 off sale. Regular $2,499, sale price $1,299. | HELIOS 3600 standalone; bundle with extra battery $3,099 |
Battery | ||
| Battery Capacity Wh | 3072 | 3686 |
| Battery Lifespan Cycles | 3500 | 4000 |
| Expandable Capacity | No | Yes |
| Extra Battery Capacity | — | 3686 |
| Max Extra Batteries | 0 | 4 |
Product Info | ||
| Brand | EcoFlow | Growatt |
| Model Name | DELTA 3 Ultra | HELIOS 3600 |
| Product Url | https://us.ecoflow.com/products/delta-3-ultra-series-portable-power-station?variant=54692148871241 | https://growattportable.com/products/growatt-helios-3600-portable-power-station |
DC Power | ||
| Dc Output | USB-A: 1x18W; USB-C: 1x140W + 2x45W; Car 12.6V/10A 126W | Car cigarette lighter 13.2V/10A, 2x USB-A QC 18W, 4x USB-C 100W, 2x DC 5521 13.2V/3A, Anderson 13.2V/30A |
Physical | ||
| Dimensions | 62.6 x 32.77 x 39.5 cm | 51.8 x 31.2 x 41.9 cm |
| Energy Density Wh Per Kg | 93.9 | 37.2 |
| Noise Level | 25 | — |
| Operating Temp | 14°F to 113°F | -4~113°F (-20~45°C); Cold startup to -22°F (-30°C) |
| Portable | No | True |
| Weight | 32.7 kg · 72.1 lbs | 99 kg · 218.3 lbs |
Advanced Features | ||
| Parallel Expansion | No | Yes |
| Ups Functionality | Yes | True |
| Ups Switch Time | 10 | <15ms |
Warranty | ||
| Warranty | 5 | 5 |