EF ECOFLOW Portable Power Station RIVER 3 Plus, vs OUPES Mega 1 Portable Power Station 2000W ,
Updated July 2026 — OUPES Mega 1 Portable Power Station 2000W , leads on price and power.
The OUPES Mega 1 offers significantly more power and capacity, making it ideal for demanding applications, while the RIVER 3 Plus is better for casual users seeking portability.
Why EF ECOFLOW Portable Power Station RIVER 3 Plus, is better
Price
RIVER 3 Plus is more affordable at $269.00.
Noise
RIVER 3 Plus operates quietly at 30 dB.
Portability
RIVER 3 Plus is lighter and more compact.
Why OUPES Mega 1 Portable Power Station 2000W , is better
Power Output
OUPES Mega 1 delivers 2000W continuous output.
Battery Capacity
OUPES Mega 1 has a larger 1024Wh battery.
Charging Speed
OUPES Mega 1 charges to 80% in 36 minutes.
Overall score
Specifications
| Spec | EF ECOFLOW Portable Power Station RIVER 3 Plus, | OUPES Mega 1 Portable Power Station 2000W , |
|---|---|---|
| Output | 1200W | 2000W |
| Battery Type | LiFePO4 | LiFePO4 |
| Expandability | 858Wh | 5120Wh |
| Charge Time | 1 hour | 36 min |
| Sales Rank | 19145 | 21430 |
Dimension comparison
Overview of EF ECOFLOW Portable Power Station RIVER 3 Plus
The EF ECOFLOW Portable Power Station RIVER 3 Plus is priced at $269.00 and is designed to cater to a variety of outdoor and emergency power needs. It features a 286Wh LiFePO4 battery, capable of delivering up to 1200W of power through multiple outlets. With its compact design and lightweight profile, it is ideal for camping trips and small home backup applications. Furthermore, it ranks 19,145 on the bestseller list, indicating its popularity among consumers.
Overview of OUPES Mega 1 Portable Power Station
In contrast, the OUPES Mega 1 Portable Power Station is priced significantly higher at $459.00 but offers a robust 2000W continuous output, making it suitable for more demanding power needs. With a larger 1024Wh LiFePO4 battery, it can surge up to 4500W, showcasing its capacity for high-demand appliances. It ranks 21,430 on the bestseller list, which suggests a lesser popularity compared to the RIVER 3 Plus, possibly due to its higher price point.
Power Output Comparison
When it comes to power output, the OUPES Mega 1 clearly outshines the RIVER 3 Plus. The RIVER 3 Plus delivers a continuous power of 600W, surging to 1200W, whereas the OUPES Mega 1 can provide a consistent 2000W and peaks at 4500W. This substantial difference in output makes the OUPES Mega 1 a better option for users needing to run multiple high-wattage devices simultaneously, whereas the RIVER 3 Plus is more suited for light to moderate power needs.
Battery Capacity and Lifespan
The battery capacity of the EF ECOFLOW RIVER 3 Plus stands at 286Wh, which is adequate for short camping trips or small devices. In contrast, the OUPES Mega 1 offers a much larger capacity of 1024Wh, making it suitable for longer usage periods without the need for frequent recharges. Additionally, both use LiFePO4 batteries, but the OUPES Mega 1 boasts a lifecycle rating of over 3500 cycles, ensuring longevity and reliability over time compared to the RIVER 3 Plus, which is rated for around 3000 cycles.
Charging Speed and Efficiency
Charging speed is another critical factor where the OUPES Mega 1 excels. It can reach 80% capacity in just 36 minutes via AC alone and an impressive 26 minutes when combining AC and solar inputs. In contrast, the RIVER 3 Plus takes about one hour to charge from 0-100% with AC, which is still competitive but not as fast as the OUPES. This difference in charging efficiency can be quite significant for users who need quick power replenishment in emergency situations or during outdoor activities.
Expandability Options
Both power stations offer expandability, but the OUPES Mega 1 offers a more versatile solution. The RIVER 3 Plus can be expanded to 858Wh with compatible extra batteries, while the OUPES Mega 1 can be scaled up to a massive 5120Wh with additional B2 Extra Batteries. This modular approach is beneficial for users with growing power needs, making the OUPES Mega 1 a better long-term investment for those who anticipate needing more power in the future.
Noise Levels and User Experience
When it comes to user experience, the EF ECOFLOW RIVER 3 Plus operates quietly at about 30 dB, making it suitable for environments where noise is a concern. The OUPES Mega 1, while not specified for noise levels, focuses more on delivering high performance, which may include higher operational noise during peak output. Thus, if quiet operation is a priority, the RIVER 3 Plus may be the preferable choice.
Which should you buy?
In summary, choosing between the EF ECOFLOW RIVER 3 Plus and the OUPES Mega 1 ultimately depends on your specific power needs. The RIVER 3 Plus, priced at $269.00, is ideal for casual users seeking portability and quieter operation, while the OUPES Mega 1, at $459.00, provides significantly more power and capacity for demanding applications. If you anticipate needing high output and longer battery life, the OUPES Mega 1 is worth the investment. However, for those who only require moderate power for shorter durations, the RIVER 3 Plus offers excellent value.

