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Anker Portable Power Station SOLIX C300, vs EF ECOFLOW DELTA Pro Extra Battery

Updated July 2026 — Anker Portable Power Station SOLIX C300, wins on portability, EF ECOFLOW DELTA Pro Extra Battery wins on user interface and power output.

The Anker SOLIX C300 is a budget-friendly, portable option for smaller devices, while the EF ECOFLOW DELTA Pro Extra Battery offers superior capacity for demanding needs.

Why Anker Portable Power Station SOLIX C300, is better

Price

Anker SOLIX C300 is significantly cheaper.

Portability

Anker SOLIX C300 is more compact and travel-friendly.

Noise Level

Anker SOLIX C300 operates at a quieter 25dB.

Why EF ECOFLOW DELTA Pro Extra Battery is better

Capacity

EF ECOFLOW DELTA Pro has a much larger capacity.

Charging Options

EF ECOFLOW DELTA Pro supports advanced charging methods.

Smart Features

EF ECOFLOW DELTA Pro includes an LCD screen and app monitoring.

Overall score

Anker Portable Power Station SOLIX C300,
75
EF ECOFLOW DELTA Pro Extra Battery
90

Specifications

SpecAnker Portable Power Station SOLIX C300,EF ECOFLOW DELTA Pro Extra Battery
Power Output300W1800W
Surge Power600W3600W
Recharge Time50 min0
Warranty5 years0
ExpandableNoYes

Dimension comparison

Anker Portable Power Station SOLIX C300,EF ECOFLOW DELTA Pro Extra Battery

Overview of Portable Power Solutions

When it comes to portable power stations, the Anker Portable Power Station SOLIX C300 and the EF ECOFLOW DELTA Pro Extra Battery offer distinct features catering to different needs. The Anker SOLIX C300 is priced at $249.99, while the EF ECOFLOW DELTA Pro Extra Battery costs $1,199.00, making it about 376% more expensive. Understanding the differences between these two products can help consumers make an informed decision based on their specific power needs and budget.

Power Output and Capacity

The Anker SOLIX C300 offers a power output of 300W with a surge capacity of 600W and a total energy capacity of 288Wh. This makes it suitable for powering smaller devices like laptops and phones during outdoor activities. In contrast, the EF ECOFLOW DELTA Pro Extra Battery has a significantly larger capacity of 3600Wh and can expand to 7200Wh when paired with the DELTA Pro unit. This makes it ideal for more demanding applications, such as powering home appliances during emergencies or extended camping trips.

Charging Versatility

Charging capabilities differ greatly between the two products. The Anker SOLIX C300 features eight versatile ports, including three AC outlets and multiple USB-C and USB-A ports, allowing you to charge various devices simultaneously. It can be recharged to 80% in just 50 minutes via a wall outlet, which is impressive for its class. On the other hand, the EF ECOFLOW DELTA Pro Extra Battery benefits from the DELTA Pro’s 6500W MultiCharge capabilities. Once connected, both units charge and discharge in unison, providing flexibility in charging methods that include solar and generator options.

Design and Portability

The Anker SOLIX C300 is designed with portability in mind, being 15% smaller than similar models. This compact design makes it easy to carry around for spontaneous adventures. It is designed for outdoor use, making it a great choice for camping and traveling. In contrast, the EF ECOFLOW DELTA Pro Extra Battery is more robust and not as portable due to its larger size and weight, making it better suited for stationary use at home or in an RV rather than on-the-go applications.

Battery Longevity and Durability

Battery longevity is a crucial factor for users who rely on power stations for extended periods. The Anker SOLIX C300 uses LiFePO4 batteries designed to last for 3,000 cycles, which translates to about ten years of use. This is complemented by smart temperature control and impact resistance features. On the other hand, while the EF ECOFLOW DELTA Pro Extra Battery does not specify the cycle count, its expandable nature implies a focus on longevity, especially when paired with additional batteries for extended use.

Noise Levels

When operating in quiet environments, noise levels can be a significant concern. The Anker SOLIX C300 operates at a quiet 25dB from 3.3 feet away, making it an excellent choice for enjoying nature without intrusive sounds. This feature is particularly beneficial for camping or outdoor events where noise could disrupt the experience. Conversely, the EF ECOFLOW DELTA Pro Extra Battery does not provide specific noise level information, which may be a consideration for users sensitive to sound during use.

Smart Features and Monitoring

The EF ECOFLOW DELTA Pro Extra Battery comes equipped with smart features, including an LCD screen that displays essential information such as output, input, remaining charge, and time left to charge. Additionally, it can be monitored through the EcoFlow app, allowing users to manage their power supply remotely. The Anker SOLIX C300, while it does not have smart monitoring capabilities, focuses on user-friendly design and straightforward charging options, which may appeal to those who prefer simplicity over advanced features.

Price Comparison

When evaluating the value of these two products, the price difference is significant. The Anker SOLIX C300 is priced at $249.99, making it an attractive option for budget-conscious consumers seeking portable power solutions. In contrast, the EF ECOFLOW DELTA Pro Extra Battery is priced at $1,199.00, which reflects its larger capacity and advanced features. This makes the Anker SOLIX C300 about 79% cheaper than the EF ECOFLOW option, appealing to users who need less power and prefer a more economical choice.

Which should you buy?

Choosing between the Anker Portable Power Station SOLIX C300 and the EF ECOFLOW DELTA Pro Extra Battery ultimately depends on your specific needs. If you require a portable, budget-friendly option for smaller devices during outdoor activities, the Anker SOLIX C300 is the clear winner. However, if you need a powerful, expandable battery system for home backup or extensive camping trips, the EF ECOFLOW DELTA Pro Extra Battery is well worth the investment despite its higher price.