EF ECOFLOW Portable Power Station RIVER 3 Plus, vs EnginStar Portable Power Station, 150W
Updated July 2026 — EF ECOFLOW Portable Power Station RIVER 3 Plus, leads on cycles and output.
The EF ECOFLOW RIVER 3 Plus is a more powerful and versatile option compared to the EnginStar, making it the better choice for demanding users.
Why EF ECOFLOW Portable Power Station RIVER 3 Plus, is better
Higher Capacity
286Wh vs 155Wh
Greater Power Output
1200W vs 150W
Faster Charging
1 hour AC charging vs unspecified for EnginStar
Why EnginStar Portable Power Station, 150W is better
Lightweight
4 lbs vs heavier RIVER 3 Plus
Compact Size
4.5*6.5*7.5 inches vs larger RIVER 3 Plus
Lower Price
$66.48 vs $269.00
Overall score
Specifications
| Spec | EF ECOFLOW Portable Power Station RIVER 3 Plus, | EnginStar Portable Power Station, 150W |
|---|---|---|
| Price | $269.00 | $66.48 |
| Charging Time | 1 hour | unspecified |
| USB Ports | 3 | 3 |
| AC Outlets | 3 | 1 |
| Solar Charging | 1.5 hours | unspecified |
Dimension comparison
Overview of the Products
The EF ECOFLOW Portable Power Station RIVER 3 Plus is a powerful and versatile power solution, while the EnginStar Portable Power Station offers a more compact and budget-friendly option. Priced at $269.00, the RIVER 3 Plus features a capacity of 286Wh, making it suitable for a wider range of devices compared to the EnginStar, which is priced at $66.48 and has a capacity of 155Wh. This price difference indicates that the RIVER 3 Plus is approximately 304% more expensive than the EnginStar, reflecting its enhanced capabilities and features.
Power Output Comparison
When it comes to power output, the EF ECOFLOW RIVER 3 Plus significantly outperforms the EnginStar. The RIVER 3 Plus can deliver up to 1200W with its X-Boost technology, allowing it to power a variety of devices, including larger appliances. In contrast, the EnginStar has a maximum output of 150W, making it suitable only for smaller electronics like phones and laptops. This substantial difference in power output means that users requiring more robust power solutions will find the RIVER 3 Plus to be a far more capable choice.
Battery Capacity and Lifespan
The battery capacity is another critical factor where the EF ECOFLOW RIVER 3 Plus excels. It has a capacity of 286Wh, which is about 84% more than the EnginStar’s 155Wh capacity. This increased capacity allows the RIVER 3 Plus to run devices for longer periods without needing a recharge. Additionally, the RIVER 3 Plus features a LiFePO4 battery with a lifespan of 3000 charging cycles, translating to about 10 years of use before its capacity drops to 80%. In contrast, while the EnginStar boasts over 1000 recharge cycles, it does not match the longevity of the RIVER 3 Plus, making it a less appealing option for long-term use.
Charging Options
Both products offer versatile charging options, but the EF ECOFLOW RIVER 3 Plus takes the lead. It can be charged from 0-100% in just one hour using AC power and can also be recharged via solar energy in as little as 1.5 hours with a compatible solar panel. The EnginStar, on the other hand, can also be charged via solar power but does not specify as quick a charging time and provides only three methods of charging: AC, solar, and car socket. This flexibility in the RIVER 3 Plus enhances its usability for outdoor activities and emergencies, making it a better option for those seeking convenience.
Portability and Design
Portability is essential for users who plan to take their power stations on the go. The EnginStar is significantly lighter, weighing only 4 lbs, compared to the RIVER 3 Plus, which is more robust and heavier due to its larger battery and capabilities. The compact design of the EnginStar, measuring just 4.56.57.5 inches, makes it easy to carry for camping trips or hiking. Conversely, while the RIVER 3 Plus is larger, it still maintains a manageable size for transport but may not be as convenient for users who prioritize weight and compactness.
Noise Level
When it comes to noise levels, the EF ECOFLOW RIVER 3 Plus operates quietly at just 30 dB, which is a significant advantage for users who are sensitive to sound or using the unit in quiet environments. The EnginStar is touted as being quieter than gas-powered generators, but specific dB ratings are not provided. The lower noise level of the RIVER 3 Plus makes it an ideal choice for indoor use or during nighttime camping, where noise can be a concern.
Safety Features
Safety is a paramount concern for any power station, and both the EF ECOFLOW RIVER 3 Plus and EnginStar come equipped with safety features. The RIVER 3 Plus includes UPS protection with rapid switchover times, ensuring your devices are secure during power fluctuations. It also features a robust fire-retardant shell and IP54 battery protection. The EnginStar, on the other hand, has passed UL certification and includes built-in protection against over-voltage, over-temperature, and short circuits. While both units offer solid safety features, the RIVER 3 Plus’s advanced UPS capabilities provide an edge in protecting sensitive electronics.
Which should you buy?
Choosing between the EF ECOFLOW Portable Power Station RIVER 3 Plus and the EnginStar Portable Power Station ultimately depends on your power needs and budget. If you require a high-capacity power solution with multiple outlets and fast charging, the RIVER 3 Plus, priced at $269.00, is the superior choice. However, if you seek a lightweight, portable option for basic charging needs at a lower price point of $66.48, the EnginStar is a viable alternative. Each product caters to different user requirements, so consider your power demands and usage scenarios before making a decision.

