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Anker SOLIX C300 DC Power Bank Station, Outdoor vs EF ECOFLOW Portable Power Station RIVER 3,

Updated July 2026 — full head-to-head comparison.

Overview of the Anker SOLIX C300 and EF ECOFLOW RIVER 3

The Anker SOLIX C300 is priced at $179.99, making it about 17% cheaper than the EF ECOFLOW RIVER 3, which retails for $196.00. Both of these portable power stations offer unique features tailored to outdoor enthusiasts and emergency preparedness. The Anker SOLIX C300 provides a capacity of 288Wh, while the RIVER 3 has a slightly lower capacity of 245Wh. This difference in capacity may influence your choice depending on your power needs while camping or traveling.

Design and Portability

Both the Anker SOLIX C300 and EF ECOFLOW RIVER 3 are designed with portability in mind. The Anker SOLIX C300 boasts a 30% smaller design compared to similar power stations, allowing for easy transport on camping trips. It also features a strap for added convenience when carrying. On the other hand, the RIVER 3 weighs only 7.8 lb and is also designed to be compact, fitting comfortably into small spaces like bags or closets. While both products prioritize portability, the Anker SOLIX C300 is specifically highlighted for its smaller footprint.

Power Capacity and Output

The Anker SOLIX C300 offers a total capacity of 288Wh and delivers a continuous output of 300W. This makes it suitable for powering multiple devices simultaneously. In comparison, the EF ECOFLOW RIVER 3 has a total capacity of 245Wh with a continuous output of 300W, but it features X-Boost technology allowing it to power devices up to 600W. This capability can be particularly useful if you plan to use larger appliances. While the Anker SOLIX C300 has a higher capacity, the RIVER 3's X-Boost feature provides versatility for users with higher power demands.

Charging Options

Charging methods differ significantly between the Anker SOLIX C300 and EF ECOFLOW RIVER 3. The Anker SOLIX C300 can be recharged using a USB-C wall charger or solar panels, with the ability to reach 80% charge in just one hour via its dual PD 3.1 USB-C port. The RIVER 3, however, offers an impressive one-hour fast charging capability from 0-100% using X-Stream technology, requiring only one cable for charging. Additionally, it can be charged via solar panels in about 2.6 hours. While the Anker provides solid charging options, the RIVER 3's super-fast charging may appeal more to those needing quick power readiness.

Battery Technology

Battery longevity and safety are crucial for portable power stations. The Anker SOLIX C300 uses LiFePO4 battery technology, which is known for its durability and comes with a three-year guarantee. Conversely, the RIVER 3 features an upgraded LFP battery that can be charged and recharged over 3,000 times, boasting a lifespan of up to 10 years. Additionally, it has built-in X-Guard technology to ensure safety against various risks. While both products utilize advanced battery technology, the RIVER 3's superior longevity and safety features make it an attractive option for users prioritizing long-term reliability.

Device Compatibility and Ports

When it comes to device compatibility, the Anker SOLIX C300 offers seven charging ports, including multiple USB-C and USB-A options, as well as a car socket. This variety allows users to charge several devices at once. The EF ECOFLOW RIVER 3 also provides multiple ports, albeit with a focus on energy efficiency through its GaN technology, which enhances performance while maintaining a compact size. While both power stations support multiple devices, the Anker SOLIX C300's greater number of ports may be beneficial for users who rely on charging numerous devices simultaneously.

Noise Levels and Operation

Noise levels can be a concern when using portable generators, especially in quiet outdoor settings. The EF ECOFLOW RIVER 3 operates at less than 30 dB, making it one of the quieter options on the market. This low noise level is ideal for camping or home use, ensuring minimal disruption. The Anker SOLIX C300 does not specify its noise level, but its design suggests it is made for efficient operation. Therefore, if a quiet operation is a priority for you, the RIVER 3 clearly stands out in this aspect.

Which should you buy?

Deciding between the Anker SOLIX C300 and the EF ECOFLOW RIVER 3 ultimately depends on your specific needs and priorities. If you are looking for a more affordable option with a higher capacity, the Anker SOLIX C300 is the better choice at $179.99. However, if you value rapid charging, advanced safety features, and quieter operation, the EF ECOFLOW RIVER 3 at $196.00 could be worth the extra investment. Both power stations are excellent choices, but the best option will align with your personal requirements for performance, portability, and power capacity.