EcoFlow RIVER 2 ProvsEcoFlow DELTA 3 1000 Air
Head-to-head comparison of scores, specs, and features.
VS
Winner
EcoFlow RIVER 2 Pro
82.8Grade B+
Price
$599.00
AC Power
800W
EcoFlow DELTA 3 1000 Air
78.6Grade B+
Price
$499.00
AC Power
500W
EcoFlow RIVER 2 Prowins by4.21points overall.
The Verdict
Overall take
Buy EcoFlow RIVER 2 Pro if
- Better Expandable Capacity: Yes vs No
- Better Warranty: 5 vs 2
- Better Ac Power Continuous: 800 vs 500
Buy EcoFlow DELTA 3 1000 Air if
- Better Ups Switch Time: 10 vs 30
- Better Max Solar Input: 500 vs 220
- Better Cost Per Wh: 0.52 vs 0.78
Top 3 Key Differences
Expandable Capacity
Yesvs No
Score: 100 vs 0
Warranty
5vs 2
Score: 100 vs 51
Ups Switch Time
30vs 10
Score: 64.5 vs 100
Performance by Category
ChargingEcoFlow DELTA 3 1000 Air wins
EcoFlow RIVER 2 Pro
85.6
EcoFlow DELTA 3 1000 Air
90.7
AC PowerEcoFlow RIVER 2 Pro wins
EcoFlow RIVER 2 Pro
66.7
EcoFlow DELTA 3 1000 Air
58.1
ConnectivityTie
EcoFlow RIVER 2 Pro
75.0
EcoFlow DELTA 3 1000 Air
75.0
PriceEcoFlow DELTA 3 1000 Air wins
EcoFlow RIVER 2 Pro
84.7
EcoFlow DELTA 3 1000 Air
98.8
BatteryEcoFlow RIVER 2 Pro wins
EcoFlow RIVER 2 Pro
71.0
EcoFlow DELTA 3 1000 Air
39.6
PhysicalTie
EcoFlow RIVER 2 Pro
96.7
EcoFlow DELTA 3 1000 Air
98.6
Advanced FeaturesEcoFlow DELTA 3 1000 Air wins
EcoFlow RIVER 2 Pro
54.8
EcoFlow DELTA 3 1000 Air
66.7
WarrantyEcoFlow RIVER 2 Pro wins
EcoFlow RIVER 2 Pro
100.0
EcoFlow DELTA 3 1000 Air
51.0
Full Technical Specifications
| Feature | EcoFlow RIVER 2 Pro | EcoFlow DELTA 3 1000 Air |
|---|---|---|
Charging | ||
| Ac Charge Speed | 70 | 120 |
| Charger Type | AC wall charger (included), 100-120V~50Hz/60Hz, 940W Max input | AC adapter (X-Stream), 100-240V~50/60Hz, 5.5A input |
| Fast Charging | Yes | Yes |
| Max Solar Input | 220 | 500 |
| Max Solar Panels | 2 | 2 |
| Pass Through Charging | Yes | Yes |
| Smart Charging | Yes | Yes |
| Solar Connector Type | XT60i | XT60i |
| Solar Panel Compatibility | EcoFlow 110W, 160W, 220W Bifacial solar panels; third-party panels via MC4-to-XT60i adapter (11-50V, 13A, 220W max) | EcoFlow 110W, 160W, 220W portable solar panels (XT60 connector implied); max 500W input |
AC Power | ||
| Ac Output Amps | 6.67A max (800W / 120V) | 4.2A max |
| Ac Power Continuous | 800 | 500 |
| Ac Power Surge | 1600 | 1000 |
| 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 | 599.00 | 499.00 |
| Bundle Price | $379.00 | 519.00 |
| Cost Per Wh | 0.78 | 0.52 |
| Price Description | On sale $339.00 (regular $599.00) as of 2026-04-09. Flash sale pricing — regular price is $599. | On sale $329 (reg. $499). Member-only additional discount available via EcoCredits. |
Battery | ||
| Battery Capacity Wh | 768 | 960 |
| Battery Lifespan Cycles | 3000 | 3000 |
| Expandable Capacity | Yes | No |
| Extra Battery Capacity | 768 | — |
| Max Extra Batteries | 1 | 0 |
Product Info | ||
| Brand | EcoFlow | EcoFlow |
| Model Name | RIVER 2 Pro | DELTA 3 1000 Air |
| Product Url | https://us.ecoflow.com/products/river-2-pro-portable-power-station | https://us.ecoflow.com/products/delta-3-1000-air-10ms-ups-portable-power-station |
DC Power | ||
| Dc Output | 12.6V, 10A/3A/3A, 126W Max (DC Out), 12.6V, 3A, 36W Max (DC5521 Output) | USB-A: 1x12W; USB-C: 1x18W; No 12V DC output |
Physical | ||
| Dimensions | 27 x 26 x 22.6 cm | 22.0 x 22.3 x 26.3 cm |
| Energy Density Wh Per Kg | 93.0 | 97.0 |
| Noise Level | 62 | 39 |
| Operating Temp | 14°F to 113°F | 14°F to 113°F |
| Portable | Yes | Yes |
| Weight | 8.3 kg · 18.2 lbs | 9.9 kg · 21.8 lbs |
Advanced Features | ||
| Parallel Expansion | No | No |
| Ups Functionality | Yes | Yes |
| Ups Switch Time | 30 | 10 |
Warranty | ||
| Warranty | 5 | 2 |