Our Verdict
Anker SOLIX C1000 Wins

It offers higher base capacity at 1056Wh and faster AC charging in 58 minutes. Choose the EF ECOFLOW DELTA 2 for its expandable capacity up to 3000Wh if you anticipate future larger power needs.
Bottom Line: Anker SOLIX C1000 is the better choice. It offers higher base capacity at 1056Wh and faster AC charging in 58 minutes.
Key Differences
The most significant spec differences at a glance
Battery Capacity
3% moreCharge Time
27% lessSolar Input
20% moreWeight
2% moreAdvantages
Where each product wins
Anker
- Battery Capacity: 3% higher (1056 vs 1024.0)
- Charge Time: 27% lower (0.9666666666666667 vs 1.333)
- Solar Input: 20% higher (600 vs 500.0)
EF ECOFLOW
- Weight: 2% lower (27.6 vs 27.0)
Who Should Buy Which?
Find the right product for your needs
Buy Anker if...
Anker SOLIX C1000 Portable
The Anker SOLIX C1000 is ideal for individuals prioritizing unparalleled charging speed and high momentary power output. If you frequently need a power station fully charged in under an hour for sudden power outages, quick day trips, or operating tools with high startup surges up to 2400W, this is your choice. Its 1056Wh LiFePO4 battery ensures longevity. While slightly heavier, its rapid recharge capabilities and robust peak power make it perfect for users who value immediate, powerful access over expandable capacity.
Buy EF ECOFLOW if...
EF ECOFLOW Portable Power
The EF ECOFLOW DELTA 2 is perfect for the budget-conscious buyer seeking flexibility and future-proofing. If you're starting with basic camping or home backup needs but foresee potentially expanding your power requirements, its 1024Wh capacity expandable to 3000Wh is a game-changer. Priced lower at $388, it offers excellent value with its 3000+ cycle LiFePO4 battery and 1800W AC output, suitable for most appliances. Ideal for RV owners or those needing scalable, reliable power without the premium price of instant full charge.
Spec Comparison
9 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $470 | $429 |
| Rating | 4.6(2.2k) | 4.7(7.7k) |
| Capacity Wh | 1056W | 1024W |
| Chemistry | LiFePO4 | LiFePO4 |
| AC Output Watts | 1800W | 1800W |
| Cycle Life | 3000 | 3000 |
| Weight | 27.6 lbs | 27 lbs |
| Charge Time Hours | 0.97 hrs | 1.33 hrs |
| Peak Output Watts | 2400W | — |
| Solar Input Watts | 600W | 500W |
| Expandable | — | Yes |
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Pros & Cons
Quick overview of strengths and weaknesses
Anker SOLIX C1000
- Full AC charge in 58 minutes
- 3,000 cycle LiFePO4 battery for long lifespan
- 1800W continuous, 2400W peak power output
- 600W solar input, full charge in 1.8 hours
- Weight of 27.6 lbs may limit portability
- Requires smartphone app for fastest AC charging
- Optimal fast charging requires 68-122°F temperature
EF ECOFLOW Portable Power
- Charges 0-80% in 50 mins via AC outlet.
- 1800W AC output powers most home appliances.
- Capacity expands from 1024Wh up to 3000Wh.
- 3000+ LiFePO4 battery cycles for long lifespan.
- Unit weighs 27 lbs.
- Solar panels purchased separately.
- Max capacity requires additional battery units.
Frequently Asked Questions
Common questions about this comparison
Which is better for home backup or large power needs?
The EF ECOFLOW DELTA 2 is better for large home backup as its 1024Wh capacity is expandable up to 3000Wh with extra batteries. The Anker C1000 has a fixed 1056Wh capacity, suitable for moderate use.
What's the main difference in AC charging speed?
The Anker SOLIX C1000 fully charges in just 58 minutes via AC. The EF ECOFLOW DELTA 2 charges 0-80% in 50 minutes, but a full charge takes approximately 80 minutes. Anker is faster for a complete charge.
Which power station offers better solar charging?
The Anker SOLIX C1000 supports a higher 600W solar input, allowing it to recharge faster using solar panels (full charge in 1.8 hours). The EF ECOFLOW DELTA 2 has a 500W max solar input, making Anker more efficient for off-grid solar recharging.
Is there a significant difference in base capacity?
The Anker SOLIX C1000 has a slightly higher base capacity at 1056Wh compared to the EF ECOFLOW DELTA 2's 1024Wh. While the base difference is minor, the Delta 2's key advantage is its expandability.
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