Goal Zero Yeti 4000 ProvsEcoFlow DELTA 3 Ultra Plus
Head-to-head comparison of scores, specs, and features.
Winner
Goal Zero Yeti 4000 Pro
76.5Grade A
Price
$2379.89
AC Power
3600W
EcoFlow DELTA 3 Ultra Plus
75.7Grade A
Price
$2899.00
AC Power
3600W
Goal Zero Yeti 4000 Prowins by0.81points overall.
The Verdict
Overall take
Buy Goal Zero Yeti 4000 Pro if
- Better Cost Per Wh: 0.60 vs 0.94
- Better Max Extra Batteries: 4 vs 2
- Better Battery Capacity Wh: 3994 vs 3072
Buy EcoFlow DELTA 3 Ultra Plus if
- Better Noise Level: 25 vs 45
- Better Weight: 33.7 vs 52.5
- Better Energy Density Wh Per Kg: 91.2 vs 76.1
Top 3 Key Differences
Noise Level
45vs 25
Score: 79 vs 100
Cost Per Wh
0.60vs 0.94
Score: 87.5 vs 67.2
Max Extra Batteries
4vs 2
Score: 80 vs 60
Performance by Category
ChargingTie
Goal Zero Yeti 4000 Pro
100.0
EcoFlow DELTA 3 Ultra Plus
100.0
AC PowerTie
Goal Zero Yeti 4000 Pro
100.0
EcoFlow DELTA 3 Ultra Plus
100.0
ConnectivityTie
Goal Zero Yeti 4000 Pro
75.0
EcoFlow DELTA 3 Ultra Plus
75.0
PriceGoal Zero Yeti 4000 Pro wins
Goal Zero Yeti 4000 Pro
72.1
EcoFlow DELTA 3 Ultra Plus
59.1
BatteryGoal Zero Yeti 4000 Pro wins
Goal Zero Yeti 4000 Pro
95.0
EcoFlow DELTA 3 Ultra Plus
82.0
PhysicalEcoFlow DELTA 3 Ultra Plus wins
Goal Zero Yeti 4000 Pro
50.5
EcoFlow DELTA 3 Ultra Plus
62.9
Advanced FeaturesTie
Goal Zero Yeti 4000 Pro
66.7
EcoFlow DELTA 3 Ultra Plus
66.7
WarrantyTie
Goal Zero Yeti 4000 Pro
100.0
EcoFlow DELTA 3 Ultra Plus
100.0
Full Technical Specifications
| Feature | Goal Zero Yeti 4000 Pro | EcoFlow DELTA 3 Ultra Plus |
|---|---|---|
| Charging | ||
| Ac Charge Speed | 150 | 111 |
| Charger Type | MPPT | — |
| Fast Charging | Yes | Yes |
| Max Solar Input | 3000 | 1600 |
| Max Solar Panels | 4 | — |
| Pass Through Charging | Yes | Yes |
| Smart Charging | Yes | Yes |
| Solar Connector Type | MC4 compatible (14-150V input range) | XT60i |
| Solar Panel Compatibility | Goal Zero Boulder, Nomad, Ranger series; MC4 compatible panels 14-150V | — |
| AC Power | ||
| Ac Output Amps | 30A max | — |
| Ac Power Continuous | 3600 | 3600 |
| Ac Power Surge | 7200 | 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 | 2379.89 | 2899.00 |
| Bundle Price | $3,399.95 | — |
| Cost Per Wh | 0.60 | 0.94 |
| Extra Battery Cost | 1,999.95 | — |
| Price Description | Sale price $2,379.89, regular MSRP $3,399.95. Tank PRO 4000 expansion batteries available separately. | — |
| Battery | ||
| Battery Capacity Wh | 3994 | 3072 |
| Battery Lifespan Cycles | 4000 | 3500 |
| Expandable Capacity | Yes | Yes |
| Extra Battery Capacity | 4000 | 4096 |
| Max Extra Batteries | 4 | 2 |
| Product Info | ||
| Brand | Goal Zero | EcoFlow |
| Model Name | Yeti PRO 4000 | DELTA 3 Ultra Plus |
| Product Url | https://goalzero.com/products/yeti-pro-4000-power-station | https://us.ecoflow.com/products/delta-3-ultra-series-portable-power-station?variant=54718705008713 |
| DC Power | ||
| Dc Output | 12V DC plug, 2x 12V barrel connectors, 3x USB-A (18W combined 54W), 3x USB-C (1x 100W + 2x 30W = 160W total), 12V combined 375W | USB-A: 1x18W; USB-C: 1x140W + 2x45W; Anderson 12V/30A 378W; Car 12.6V/10A 126W |
| Physical | ||
| Dimensions | 54.3 x 35.1 x 37.7 cm | 61.31 x 32.77 x 39.50 cm |
| Energy Density Wh Per Kg | 76.1 | 91.2 |
| Noise Level | 45 | 25 |
| Operating Temp | Charge: 0-52°C (32-125.6°F); Discharge: -20-60°C (-4-140°F) | 14°F to 113°F |
| Portable | No | No |
| Weight | 52.5 kg · 115.7 lbs | 33.7 kg · 74.3 lbs |
| Advanced Features | ||
| Parallel Expansion | No | No |
| Ups Functionality | Yes | Yes |
| Ups Switch Time | 10 | 10 |
| Warranty | ||
| Warranty | 5 | 5 |