EcoFlow River 2 Max 500vsBluetti AC50B
Head-to-head comparison of scores, specs, and features.

EcoFlow River 2 Max 500
61.3Grade B
Price
$299.00
AC Power
500W

Bluetti AC50B
61.8Grade B
Price
$279.00
AC Power
700W
Bluetti AC50Bwins by0.5points overall.
The Verdict
Overall take
Buy EcoFlow River 2 Max 500 if
- Better Wifi Connectivity: Yes vs No
- Better Energy Density Wh Per Kg: 81.8 vs 59.7
- Higher overall score
Buy Bluetti AC50B if
- Better Ups Functionality: Yes vs EPS
- Better Wireless Charging: Yes vs No
- Better Ups Switch Time: 20 vs 30
Top 3 Key Differences
Ups Functionality
EPSvs Yes
Score: 0 vs 100
Wifi Connectivity
Yesvs No
Score: 100 vs 0
Wireless Charging
Novs Yes
Score: 0 vs 100
Performance by Category
ChargingTie
EcoFlow River 2 Max 500
85.6
Bluetti AC50B
85.0
AC PowerTie
EcoFlow River 2 Max 500
58.1
Bluetti AC50B
61.0
ConnectivityTie
EcoFlow River 2 Max 500
75.0
Bluetti AC50B
75.0
PriceTie
EcoFlow River 2 Max 500
93.8
Bluetti AC50B
92.5
BatteryTie
EcoFlow River 2 Max 500
29.4
Bluetti AC50B
29.4
PhysicalTie
EcoFlow River 2 Max 500
89.6
Bluetti AC50B
86.7
Advanced FeaturesBluetti AC50B wins
EcoFlow River 2 Max 500
21.5
Bluetti AC50B
58.9
WarrantyTie
EcoFlow River 2 Max 500
100.0
Bluetti AC50B
100.0
Full Technical Specifications
| Feature | EcoFlow River 2 Max 500 | Bluetti AC50B |
|---|---|---|
| Charging | ||
| Ac Charge Speed | 60 | 56 |
| Charger Type | X-Stream (AC), MPPT (Solar) | Built-in AC + Solar MPPT |
| Fast Charging | Yes | Yes |
| Max Solar Input | 220 | 120 |
| Max Solar Panels | 2 | 1 |
| Pass Through Charging | Yes | Yes |
| Smart Charging | Yes | Yes |
| Solar Connector Type | XT60i | MC4 |
| Solar Panel Compatibility | Compatible with EcoFlow portable solar panels, 11-50V 13A max | 14-40V, 8A max |
| AC Power | ||
| Ac Output Amps | — | 5.8A max |
| Ac Power Continuous | 500 | 700 |
| Ac Power Surge | 1000 | 1000 |
| Ac Wave Quality | Pure Sine Wave | Pure Sine Wave |
| Connectivity | ||
| App Control | Yes | Yes |
| Bluetooth | Yes | Yes |
| Wifi Connectivity | Yes | No |
| Wireless Charging | No | Yes |
| Price | ||
| Base Price | 299.00 | 279.00 |
| Bundle Price | $449.00 | 499.00 |
| Cost Per Wh | 0.60 | 0.62 |
| Price Description | Current price $299 on EcoFlow US store | $279.00 |
| Battery | ||
| Battery Capacity Wh | 499 | 448 |
| Battery Lifespan Cycles | 3000 | 3000 |
| Expandable Capacity | No | No |
| Extra Battery Capacity | No | — |
| Max Extra Batteries | 0 | 0 |
| Product Info | ||
| Brand | EcoFlow | Bluetti |
| Model Name | RIVER 2 Max 500 | AC50B |
| Product Url | https://us.ecoflow.com/products/river-2-max-500-portable-power-station | https://www.bluettipower.com/products/ac50b |
| DC Power | ||
| Dc Output | 12.6V/10A car outlet (126W), 2x DC5521 12.6V/3A (37W each) | 2x USB-C 65W, 1x USB-A 15W, 1x 12V/10A cigarette lighter |
| Physical | ||
| Dimensions | 27 x 26 x 19.6 cm | 28 x 20 x 22 cm |
| Energy Density Wh Per Kg | 81.8 | 59.7 |
| Noise Level | 45 | — |
| Operating Temp | -10°C to 45°C (discharge); 0°C to 45°C (charge) | -20°C to 40°C |
| Portable | Yes | Yes |
| Weight | 6.1 kg · 13.4 lbs | 7.5 kg · 16.5 lbs |
| Advanced Features | ||
| Parallel Expansion | No | No |
| Ups Functionality | EPS | Yes |
| Ups Switch Time | 30 | 20 |
| Warranty | ||
| Warranty | 5 | 5 |