EcoFlow RIVER 2 MaxvsLion Energy Summit
Head-to-head comparison of scores, specs, and features.
Winner


EcoFlow RIVER 2 Max
64.9Grade B
Price
$299.00
AC Power
500W

Lion Energy Summit
39.9Grade C
Price
$399.00
AC Power
530W
EcoFlow RIVER 2 Maxwins by25.01points overall.
The Verdict
Overall take
Buy EcoFlow RIVER 2 Max if
- Better Fast Charging: Yes vs No
- Better Smart Charging: Yes vs No
- Better Ups Functionality: Yes vs False
Buy Lion Energy Summit if
- Better Battery Capacity Wh: 665 vs 512
- Better Battery Lifespan Cycles: 3500 vs 3000
- Consider for different needs
Top 3 Key Differences
Fast Charging
Yesvs No
Score: 100 vs 0
Smart Charging
Yesvs No
Score: 100 vs 0
Ups Functionality
Yesvs False
Score: 100 vs 0
Performance by Category
ChargingEcoFlow RIVER 2 Max wins
EcoFlow RIVER 2 Max
85.6
Lion Energy Summit
31.2
AC PowerLion Energy Summit wins
EcoFlow RIVER 2 Max
58.1
Lion Energy Summit
69.2
ConnectivityEcoFlow RIVER 2 Max wins
EcoFlow RIVER 2 Max
75.0
Lion Energy Summit
50.0
PriceTie
EcoFlow RIVER 2 Max
95.0
Lion Energy Summit
93.8
BatteryLion Energy Summit wins
EcoFlow RIVER 2 Max
32.7
Lion Energy Summit
38.3
PhysicalLion Energy Summit wins
EcoFlow RIVER 2 Max
81.5
Lion Energy Summit
92.9
Advanced FeaturesEcoFlow RIVER 2 Max wins
EcoFlow RIVER 2 Max
54.8
Lion Energy Summit
0.0
WarrantyTie
EcoFlow RIVER 2 Max
100.0
Lion Energy Summit
100.0
Full Technical Specifications
| Feature | EcoFlow RIVER 2 Max | Lion Energy Summit |
|---|---|---|
| Charging | ||
| Ac Charge Speed | 60 | — |
| Charger Type | X-Stream | AC wall + solar + 12V car |
| Fast Charging | Yes | No |
| Max Solar Input | 220 | 140 |
| Max Solar Panels | 2 | 1 |
| Pass Through Charging | Yes | Yes |
| Smart Charging | Yes | No |
| Solar Connector Type | XT60i | Anderson / proprietary |
| Solar Panel Compatibility | EcoFlow 110W Portable Solar Panel, EcoFlow 160W Portable Solar Panel | 12V panels (brand recommends 100W 12V panel) |
| AC Power | ||
| Ac Output Amps | 4.17 | — |
| Ac Power Continuous | 500 | 530 |
| Ac Power Surge | 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 | No |
| Price | ||
| Base Price | 299.00 | 399.00 |
| Bundle Price | $528 | — |
| Cost Per Wh | 0.58 | 0.6 |
| Price Description | On sale at $299 (regular $469). Currently shown as sold out on EcoFlow US site. | Lion Summit | 665Wh, 530W, LiFePO4 |
| Battery | ||
| Battery Capacity Wh | 512 | 665 |
| Battery Lifespan Cycles | 3000 | 3500 |
| Expandable Capacity | No | No |
| Max Extra Batteries | 0 | 0 |
| Product Info | ||
| Brand | EcoFlow | Lion Energy |
| Model Name | RIVER 2 Max | Lion Summit |
| Product Url | https://us.ecoflow.com/products/river-2-max-portable-power-station | https://lionenergy.com/products/lion-summit |
| DC Power | ||
| Dc Output | 12.6V, 10A/3A/3A, 126W Max | USB-A 2x (5V/2.4A), USB-C 2x (60W PD max, 5V-20V 3A), 12V socket 10A max |
| Physical | ||
| Dimensions | 26.92 x 25.91 x 19.56 cm | 33.7 x 18.4 x 21.6 cm |
| Energy Density Wh Per Kg | 84.3 | 81.1 |
| Noise Level | 62 | — |
| Operating Temp | 14°F to 113°F | 32-104°F (0-40°C) |
| Portable | Yes | True |
| Weight | 6.1 kg · 13.4 lbs | 8.2 kg · 18.1 lbs |
| Advanced Features | ||
| Parallel Expansion | No | No |
| Ups Functionality | Yes | False |
| Ups Switch Time | 30 | — |
| Warranty | ||
| Warranty | 5 | 5 |