Anker SOLIX C300 DC Power Bank Station, Outdoor vs EF ECOFLOW Portable Power Station DELTA 2,
Updated July 2026 — Anker SOLIX C300 DC Power Bank Station, Outdoor wins on charge time, EF ECOFLOW Portable Power Station DELTA 2, wins on output and capacity.
The EF ECOFLOW DELTA 2 offers superior power output and faster charging, making it the better choice for demanding users, while the Anker SOLIX C300 is more budget-friendly and portable.
Why Anker SOLIX C300 DC Power Bank Station, Outdoor is better
Price
Anker SOLIX C300 is significantly cheaper.
Portability
Anker SOLIX C300 is 30% smaller.
Device Ports
Anker SOLIX C300 has 7 charging ports.
Why EF ECOFLOW Portable Power Station DELTA 2, is better
Power Output
EF ECOFLOW DELTA 2 offers 1800W output.
Charging Speed
EF ECOFLOW DELTA 2 charges to 80% in 50 mins.
Battery Life
EF ECOFLOW DELTA 2 has 3000+ cycle life.
Overall score
Specifications
| Spec | Anker SOLIX C300 DC Power Bank Station, Outdoor | EF ECOFLOW Portable Power Station DELTA 2, |
|---|---|---|
| Battery Type | LiFePO4 | LiFePO4 |
| Warranty | 3 years | 5 years |
| Solar Input | 100W | 500W |
| Cycle Life | N/A | 3000+ |
| USB-C Output | 140W | 100W |
Dimension comparison
Price Comparison
The Anker SOLIX C300 DC Power Bank Station is priced at $179.99, making it about 60% cheaper than the EF ECOFLOW Portable Power Station DELTA 2, which retails for $449.00. This significant price difference may be a deciding factor for budget-conscious consumers. While the Anker power station offers a lower upfront cost, it is essential to consider the features and capacities each product provides for the money spent. The Anker SOLIX is suited for casual users or those seeking basic portable power for camping and travel, while the EF ECOFLOW DELTA 2 caters to more demanding power needs, justifying its higher price tag.
Power Output and Capacity
In terms of power output, the EF ECOFLOW DELTA 2 surpasses the Anker SOLIX C300 significantly, offering 1800W compared to Anker's 300W. The DELTA 2's higher output allows it to power a wider range of appliances, making it suitable for home backup power and outdoor events. Additionally, the DELTA 2 has a capacity of 1024Wh, which is more than three times that of the Anker's 288Wh. For users who require substantial power for multiple devices or larger appliances, the DELTA 2 is the clear winner.
Charging Speed
The charging speed is another critical area where the EF ECOFLOW DELTA 2 excels. It can achieve 0-80% charge in just 50 minutes and 0-100% in 80 minutes using AC input. This rapid charging capability makes it ideal for those who need quick power restoration during emergencies or outdoor activities. In contrast, the Anker SOLIX requires a recharge with an 18W or higher USB-C wall charger and takes longer to reach a full charge, making it less convenient if you’re in a hurry.
Battery Technology and Longevity
Both products utilize LiFePO4 battery technology, known for its safety and longevity. However, the EF ECOFLOW DELTA 2 boasts an impressive 3000+ cycle life, which is six times longer than typical lithium-ion batteries. This extended lifespan means that the DELTA 2 can be used for years without significant degradation. On the other hand, while the Anker SOLIX C300 offers a 3-year guarantee on its LiFePO4 battery, it may not provide the same level of durability over time as the DELTA 2.
Design and Portability
When it comes to design, the Anker SOLIX C300 is more compact and 30% smaller than similar power stations, making it easier to transport. Its lightweight design appeals to users looking for a portable option for camping and traveling. Additionally, it can be equipped with a strap for added convenience. The EF ECOFLOW DELTA 2, while larger and heavier due to its higher capacity, offers a more robust build that may appeal to users who prioritize durability over portability.
Versatility and Outlets
The versatility of each power station is noteworthy. The Anker SOLIX C300 features seven device charging ports, including various USB-C and USB-A options, catering to multiple devices simultaneously. Meanwhile, the EF ECOFLOW DELTA 2 takes versatility a step further with 15 outlets, allowing it to power a more extensive range of appliances and devices. This capability is particularly useful for users who may need to connect several devices at once, such as during camping trips or in emergency situations.
Solar Compatibility
Both power stations can be charged using solar panels, enhancing their usability in off-grid situations. The Anker SOLIX C300 recommends using a 100W or 60W solar panel for charging, while the EF ECOFLOW DELTA 2 supports up to 500W of solar panel input. This higher solar input capability allows the DELTA 2 to recharge more efficiently and quickly, making it a better option for users planning to spend extended periods outdoors without access to traditional power sources.
Which should you buy?
Choosing between the Anker SOLIX C300 DC Power Bank Station and the EF ECOFLOW Portable Power Station DELTA 2 ultimately depends on your specific needs. If you're looking for a budget-friendly, portable option for casual use, the Anker SOLIX C300 is a commendable choice. However, if you require a robust power source capable of handling multiple devices and appliances, the EF ECOFLOW DELTA 2 justifies its higher price with superior output, faster charging, and greater versatility. Consider your power requirements and usage scenarios carefully to make the best decision.

