EF ECOFLOW Portable Power Station RIVER 3, vs SinKeu 300W Portable Power Station,
Updated July 2026 — EF ECOFLOW Portable Power Station RIVER 3, wins on size and safety, SinKeu 300W Portable Power Station, wins on battery.
The EF ECOFLOW RIVER 3 excels in charging speed and safety features, while the SinKeu offers a more budget-friendly option with higher capacity.
Why EF ECOFLOW Portable Power Station RIVER 3, is better
Charging Speed
RIVER 3 charges fully in 1 hour.
Safety Features
RIVER 3 has over 40 safety measures.
Durability
RIVER 3 can be recharged over 3000 times.
Why SinKeu 300W Portable Power Station, is better
Price
SinKeu is $189.99, cheaper than RIVER 3.
Battery Capacity
SinKeu has a capacity of 260Wh.
Output Options
SinKeu offers more output ports.
Overall score
Specifications
| Spec | EF ECOFLOW Portable Power Station RIVER 3, | SinKeu 300W Portable Power Station, |
|---|---|---|
| Price | $196.00 | $189.99 |
| Capacity | 245Wh | 260Wh |
| Charging Time | 1 hour | N/A |
| Safety Features | 40+ | N/A |
| Recharge Cycles | 3000+ | N/A |
Dimension comparison
Price Comparison
The EF ECOFLOW Portable Power Station RIVER 3 is priced at $196.00, while the SinKeu 300W Portable Power Station costs $189.99. This makes the SinKeu approximately 17% cheaper than the EF ECOFLOW model. Despite the modest price difference, the choice may hinge on the specific features and performance expectations of each product. If budget is a primary concern, the SinKeu offers a competitive price point without sacrificing essential functionalities.
Battery Capacity
The EF ECOFLOW RIVER 3 features a capacity of 245Wh with a LiFePO4 battery, while the SinKeu Portable Power Station comes with a slightly higher capacity of 260Wh. The increased capacity of the SinKeu allows it to potentially power devices for longer durations, making it a better choice for extended outdoor trips or emergency situations. However, the difference in capacity is relatively small, and performance will also depend on how each unit is utilized.
Charging Speed
When it comes to charging speed, the EF ECOFLOW RIVER 3 stands out with its impressive 1-hour fast charging capability. Utilizing X-Stream technology, it can fully charge from 0-100% in just one hour, which is a significant advantage for users needing quick power restoration. In contrast, the SinKeu does not specify a fast charging feature, which may result in longer wait times for recharging. For those valuing rapid recharging, the RIVER 3 is the clear winner.
Portability
The EF ECOFLOW RIVER 3 weighs only 7.8 lbs and is designed to be 30% smaller than the industry average, making it highly portable and easy to carry. Its built-in handle adds to the convenience of transport. On the other hand, while the portability of the SinKeu is not explicitly stated, the overall design and weight are crucial factors for outdoor use. For consumers who prioritize lightweight and compact designs, the RIVER 3 may be more appealing.
Safety Features
Safety is paramount in portable power stations, and the EF ECOFLOW RIVER 3 excels with its built-in X-Guard technology, offering over 40 safety measures including protection against current, voltage, and temperature risks. This comprehensive safety protocol could be a decisive factor for users concerned about device protection and longevity. The SinKeu also includes a Battery Management System with various protective functions, but it does not specify as extensive safety features as the RIVER 3, making the latter a safer choice.
Output Options
The SinKeu Portable Power Station offers a diverse array of output options, including two AC outlets, two USB ports, a USB-C port, and a wireless charging port. This variety allows users to charge multiple devices simultaneously, which can be particularly beneficial during camping trips or power outages. In comparison, while the EF ECOFLOW RIVER 3 does not detail the number of output ports as extensively, its design is likely tailored for essential outdoor power needs. For versatility in charging multiple devices, the SinKeu may have the edge.
Performance and Reliability
In terms of performance, the EF ECOFLOW RIVER 3 boasts an upgraded LFP battery that can be charged and recharged over 3000 times, promising a lifespan of up to 10 years. This durability is an essential aspect for users looking for a long-term investment. Meanwhile, the SinKeu also provides reliable performance through its lithium battery, but the lack of detailed longevity claims makes it harder to directly compare. Those prioritizing long-term reliability may find the RIVER 3 to be more appealing.
Which should you buy?
The decision between the EF ECOFLOW Portable Power Station RIVER 3 and the SinKeu 300W Portable Power Station ultimately depends on individual needs and preferences. If fast charging, safety features, and long-term reliability are top priorities, the RIVER 3, priced at $196.00, makes a solid choice. However, for those who seek a more budget-friendly option with slightly higher battery capacity and versatile output options, the SinKeu at $189.99 is a compelling alternative. Each model brings unique advantages, suggesting that consumers should weigh their specific use cases before deciding.

