Anker SOLIX C1000 Portable Power Station, 1800W vs EF ECOFLOW Delta 3 Ultra Portable Power Station,
Updated July 2026 — Anker SOLIX C1000 Portable Power Station, 1800W wins on cycles, EF ECOFLOW Delta 3 Ultra Portable Power Station, wins on battery and peak power.
The Anker SOLIX C1000 is a budget-friendly option for moderate power needs, while the EF ECOFLOW Delta 3 excels in high output for demanding appliances.
Why Anker SOLIX C1000 Portable Power Station, 1800W is better
Price
Anker SOLIX C1000 is significantly cheaper.
Size
Anker is 15% smaller, enhancing portability.
Charging Speed
Anker charges to 80% in 43 minutes.
Why EF ECOFLOW Delta 3 Ultra Portable Power Station, is better
Power Output
Delta 3 has 3600W continuous output.
Surge Capacity
Delta 3 supports 7200W surge.
Noise Level
Delta 3 operates at 25dB under load.
Overall score
Specifications
| Spec | Anker SOLIX C1000 Portable Power Station, 1800W | EF ECOFLOW Delta 3 Ultra Portable Power Station, |
|---|---|---|
| Price | $429.99 | $1299.00 |
| Charge Time | 43 min | unknown |
| Ports | 11 | multiple |
| Battery Type | LiFePO4 | LiFePO4 |
| Warranty | 2 years | 2 years |
Dimension comparison
Overview
The Anker SOLIX C1000 and EF ECOFLOW Delta 3 are two leading portable power stations that cater to users needing reliable energy solutions for home backup, outdoor adventures, and emergencies. The Anker SOLIX C1000 is priced at $429.99, while the EF ECOFLOW Delta 3 comes in at a significantly higher price of $1,299.00. This notable price difference reflects the varying capabilities and features each power station offers.
Power Output and Capacity
When it comes to power output, the EF ECOFLOW Delta 3 surpasses the Anker SOLIX C1000 with a continuous output of 3600W and a surge capacity of 7200W. In comparison, the Anker SOLIX C1000 provides a peak output of 2400W. This means the Delta 3 is better suited for powering heavy-duty appliances like refrigerators and power tools, making it a more robust choice for users with higher energy demands.
Battery Technology and Longevity
Both power stations feature LiFePO4 batteries known for their durability and safety. The Anker SOLIX C1000 boasts a lifespan of 3,000 cycles over a decade, while the EF ECOFLOW Delta 3 also promises a lifespan of 10 years, although specific cycle counts are not provided. This similarity indicates that both models are designed for long-term reliability, although the Anker's explicit cycle count may appeal to some users concerned about longevity.
Charging Speed and Options
The Anker SOLIX C1000 offers impressive fast charging capabilities, achieving 80% battery capacity in just 43 minutes, with a full charge possible in under an hour. In contrast, the EF ECOFLOW Delta 3 features four different charging options, including wall outlets, solar panels, car input, and a Smart Generator, making it versatile for various situations. While the Anker is faster in charging time, the Delta 3’s multiple charging methods allow for greater flexibility, especially in off-grid scenarios.
Size and Portability
The Anker SOLIX C1000 is designed to be 15% smaller than comparable 1kWh units, enhancing its portability for outdoor camping and travel. The compact size is a significant advantage for users who prioritize mobility. The EF ECOFLOW Delta 3, while robust in performance, may be bulkier due to its larger capacity, potentially making it less convenient for on-the-go use.
Noise Levels
The EF ECOFLOW Delta 3 operates at a whisper-quiet 25dB under load, which is ideal for nighttime use or in quiet environments like small apartments. The Anker SOLIX C1000 does not provide specific noise level metrics, but it is designed for outdoor and home use. The Delta 3's quiet operation may be a decisive factor for users concerned about noise during operation.
Target Use Cases
The Anker SOLIX C1000 is well-suited for home backup, power outages, and outdoor camping, making it an excellent choice for casual users who need reliable power for smaller devices. Meanwhile, the EF ECOFLOW Delta 3 targets users who require higher output for heavy-duty appliances, making it ideal for RVs, emergencies, and extended off-grid living. Each power station has its strengths, depending on the specific needs of the user.
Price Comparison
The Anker SOLIX C1000 is priced at $429.99, making it about 67% cheaper than the EF ECOFLOW Delta 3, which retails for $1,299.00. This significant price difference means that users on a tighter budget may find the Anker model more appealing, especially if their power needs are moderate. The higher investment in the Delta 3 may be justified for those needing extensive power capabilities.
Which should you buy?
Choosing between the Anker SOLIX C1000 and the EF ECOFLOW Delta 3 ultimately depends on your specific needs. If you require a compact, budget-friendly option for moderate power demands, the Anker SOLIX C1000 is an excellent choice. However, if you need a powerful backup solution capable of supporting heavier appliances and are willing to invest more, the EF ECOFLOW Delta 3 will serve you well. Both models offer reliable performance, but their suitability hinges on your power requirements and budget.

