EcoFlow DELTA 3 UltravsGROWATT HELIOS 3600

Head-to-head comparison of scores, specs, and features.

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

FeatureEcoFlow DELTA 3 UltraGROWATT HELIOS 3600
Charging
Ac Charge Speed1141800
Charger TypeAC wall adapter, 100-120V~15A 50/60Hz inputMPPT
Fast ChargingYesYes
Max Solar Input8002000
Max Solar Panels2
Pass Through ChargingYesYes
Smart ChargingYesYes
Solar Connector TypeXT60iMC4
Solar Panel CompatibilityEcoFlow 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 Amps120V~60Hz, 20A (x4 outlets), 30A (x1 outlet)20A per 20A outlet
Ac Power Continuous36003600
Ac Power Surge7200
Ac Wave QualityPure Sine WavePure Sine Wave
Connectivity
App ControlYesYes
BluetoothYesYes
Wifi ConnectivityYesYes
Wireless ChargingNoNo
Price
Base Price1599.001599.00
Bundle Price1799.003099.0
Cost Per Wh0.520.434
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 Wh30723686
Battery Lifespan Cycles35004000
Expandable CapacityNoYes
Extra Battery Capacity3686
Max Extra Batteries04
Product Info
BrandEcoFlowGrowatt
Model NameDELTA 3 UltraHELIOS 3600
Product Urlhttps://us.ecoflow.com/products/delta-3-ultra-series-portable-power-station?variant=54692148871241https://growattportable.com/products/growatt-helios-3600-portable-power-station
DC Power
Dc OutputUSB-A: 1x18W; USB-C: 1x140W + 2x45W; Car 12.6V/10A 126WCar 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
Dimensions62.6 x 32.77 x 39.5 cm51.8 x 31.2 x 41.9 cm
Energy Density Wh Per Kg93.937.2
Noise Level25
Operating Temp14°F to 113°F-4~113°F (-20~45°C); Cold startup to -22°F (-30°C)
PortableNoTrue
Weight32.7 kg · 72.1 lbs99 kg · 218.3 lbs
Advanced Features
Parallel ExpansionNoYes
Ups FunctionalityYesTrue
Ups Switch Time10<15ms
Warranty
Warranty55