EcoFlow Delta 2 MaxvsEcoFlow DELTA 3 Max
Head-to-head comparison of scores, specs, and features.

EcoFlow Delta 2 Max
74.1Grade A
Price
$849.00
AC Power
2400W

EcoFlow DELTA 3 Max
75.5Grade A
Price
$749.00
AC Power
2400W
EcoFlow DELTA 3 Maxwins by1.49points overall.
The Verdict
Overall take
Buy EcoFlow Delta 2 Max if
- Better Expandable Capacity: Yes vs No
- Better Max Extra Batteries: 2 vs 0
- Better Max Solar Input: 1000 vs 500
Buy EcoFlow DELTA 3 Max if
- Better Ups Functionality: Yes vs EPS
- Better Ups Switch Time: 10 vs 30
- Better Battery Lifespan Cycles: 4000 vs 3000
Top 3 Key Differences
Expandable Capacity
Yesvs No
Score: 100 vs 0
Ups Functionality
EPSvs Yes
Score: 0 vs 100
Max Extra Batteries
2vs 0
Score: 60 vs 20
Performance by Category
ChargingEcoFlow Delta 2 Max wins
EcoFlow Delta 2 Max
96.0
EcoFlow DELTA 3 Max
90.7
AC PowerTie
EcoFlow Delta 2 Max
100.0
EcoFlow DELTA 3 Max
100.0
ConnectivityTie
EcoFlow Delta 2 Max
75.0
EcoFlow DELTA 3 Max
75.0
PriceTie
EcoFlow Delta 2 Max
91.5
EcoFlow DELTA 3 Max
92.5
BatteryEcoFlow Delta 2 Max wins
EcoFlow Delta 2 Max
77.0
EcoFlow DELTA 3 Max
47.6
PhysicalEcoFlow DELTA 3 Max wins
EcoFlow Delta 2 Max
90.1
EcoFlow DELTA 3 Max
94.7
Advanced FeaturesEcoFlow DELTA 3 Max wins
EcoFlow Delta 2 Max
21.5
EcoFlow DELTA 3 Max
66.7
WarrantyTie
EcoFlow Delta 2 Max
100.0
EcoFlow DELTA 3 Max
100.0
Full Technical Specifications
| Feature | EcoFlow Delta 2 Max | EcoFlow DELTA 3 Max |
|---|---|---|
| Charging | ||
| Ac Charge Speed | 60 | 85 |
| Charger Type | X-Stream AC fast charge (1800W), solar (1000W dual port), car (12V/24V 8A) | X-Stream AC (1800W), Solar (500W), Smart Generator, Car/Alternator |
| Fast Charging | Yes | Yes |
| Max Solar Input | 1000 | 500 |
| Max Solar Panels | 2 | 3 |
| Pass Through Charging | Yes | Yes |
| Smart Charging | Yes | Yes |
| Solar Connector Type | XT60i | XT60i |
| Solar Panel Compatibility | EcoFlow and compatible panels; 11-60V 15A per port | EcoFlow solar panels (XT60i connector, 11-60V) |
| AC Power | ||
| Ac Efficiency | 99% | — |
| Ac Output Amps | 15A max | 20 |
| Ac Power Continuous | 2400 | 2400 |
| Ac Power Surge | 4800 | 4800 |
| 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 | 849.00 | 749.00 |
| Bundle Price | 1499.00 | 1099.00 |
| Cost Per Wh | 0.41 | 0.37 |
| Extra Battery Cost | 999.00 | — |
| Price Description | Spring Sale 2026: $849 (was $1,899). Bundle with DELTA 2 Max Smart Extra Battery: $1,499 (was $3,298). | Sale price $749 (regular $1,499). Spring Sale 2026, sold out at time of research. |
| Battery | ||
| Battery Capacity Wh | 2048 | 2048 |
| Battery Lifespan Cycles | 3000 | 4000 |
| Expandable Capacity | Yes | No |
| Extra Battery Capacity | 2048 | — |
| Max Extra Batteries | 2 | 0 |
| Product Info | ||
| Brand | EcoFlow | EcoFlow |
| Model Name | DELTA 2 Max | DELTA 3 Max |
| Product Image Url | https://us.ecoflow.com/cdn/shop/files/ecoflow-us-ecoflow-delta-2-max-portable-power-station-d2m-delta-2-max-portable-power-station-1182569251.png?v=1754036926 | — |
| Product Url | https://us.ecoflow.com/products/delta-2-max-portable-power-station?variant=54615943512137 | https://us.ecoflow.com/products/delta-3-max-series-portable-power-station?variant=54692162764873&view=d3m |
| DC Power | ||
| Dc Output | 1x car port (12.6V/10A, 126W), 2x DC5521 (12.6V/3A, 38W each) | 12V/10A Cigarette Lighter (126W), USB-C 100W x1, USB-C 30W x2, USB-A 18W x1 |
| Physical | ||
| Dimensions | 49.7 x 24.2 x 30.5 cm | 49.4 x 23.9 x 30.5 cm |
| Energy Density Wh Per Kg | 89.0 | 100.9 |
| Noise Level | 30 | 25 |
| Operating Temp | Charge: 0-45°C, Discharge: -10 to 45°C | Charge: 0°C to 45°C; Discharge: -10°C to 45°C |
| Portable | Yes | Yes |
| Weight | 23 kg · 50.7 lbs | 20.3 kg · 44.8 lbs |
| Advanced Features | ||
| Parallel Expansion | No | No |
| Ups Functionality | EPS | Yes |
| Ups Switch Time | 30 | 10 |
| Warranty | ||
| Warranty | 5 | 5 |