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Anker SOLIX C300vsEcoFlow DELTA 2 Max

The Anker SOLIX C300 ($249.99) and EcoFlow DELTA 2 Max ($848.99) sit in different price brackets, with a $599 gap between them. Is the EcoFlow DELTA 2 Max's 2,048Wh capacity and 2,400W output worth the premium over the Anker SOLIX C300's 288Wh/300W? We compare every spec below.

Anker SOLIX C300

Anker SOLIX C300

Anker

$249.99

Buy on Amazon
EcoFlow DELTA 2 Max

EcoFlow DELTA 2 Max

EcoFlow

$848.99

Buy on Amazon

Specifications Comparison

Capacity
288 Wh
2,048 Wh
Continuous Output
300 W
2,400 W
Surge Power
600 W
4,800 W
Battery Type
LiFePO4
LiFePO4
Cycle Life
3,000 cycles
3,000 cycles
Charge Time
1.5 hours
1.1 hours
Weight
8.2 lbs
50 lbs
Dimensions
8.5 x 5.1 x 7.9 in
19.6 x 9.5 x 12 in
Price
$249.99
$848.99
Rating
4.7/5
4.6/5

Key Differences Explained

Battery Capacity

The EcoFlow DELTA 2 Max packs 2,048Wh — 7.1x the Anker SOLIX C300's 288Wh. That extra 1,760Wh means significantly longer runtime for appliances like mini-fridges, CPAP machines, or power tools.

Output Power

With 2,400W continuous output, the EcoFlow DELTA 2 Max can handle heavier loads than the Anker SOLIX C300's 300W. This matters for high-draw appliances like microwaves, hair dryers, or power tools that demand consistent wattage.

Cost per Watt-Hour

At $0.41/Wh, the EcoFlow DELTA 2 Max offers 52% better value per watt-hour than the Anker SOLIX C300 ($0.87/Wh). This metric helps you understand the raw cost of stored energy, regardless of other features.

Portability

At 8.2 lbs, the Anker SOLIX C300 is 41.8 lbs lighter than the EcoFlow DELTA 2 Max (50 lbs). For camping, tailgating, or emergency kits where you need to carry your power station, that weight difference adds up quickly.

The Bottom Line

The Anker SOLIX C300 wins 3 out of 7 comparison categories against the EcoFlow DELTA 2 Max's 2. It stands out with 288Wh capacity and 300W output at $249.99. However, the EcoFlow DELTA 2 Max may still be the better choice if you prefer the EcoFlow ecosystem.

Choose Anker SOLIX C300 if...

  • Budget is a priority — save $599 compared to the EcoFlow DELTA 2 Max
  • Portability matters — at 8.2 lbs, it's 41.8 lbs lighter
Read Full Review

Choose EcoFlow DELTA 2 Max if...

  • You need maximum battery capacity — 2,048Wh gives you 611% more runtime than the Anker SOLIX C300
  • You need to power high-wattage appliances up to 2,400W
Read Full Review

Frequently Asked Questions

Which is better, Anker SOLIX C300 or EcoFlow DELTA 2 Max?
It depends on your needs. The Anker SOLIX C300 offers 288Wh capacity with 300W output at around $249.99. The EcoFlow DELTA 2 Max provides 2,048Wh and 2,400W for about $848.99. Choose the EcoFlow DELTA 2 Max for more capacity, or the Anker SOLIX C300 for better value.
Can the Anker SOLIX C300 or EcoFlow DELTA 2 Max power a refrigerator?
A typical residential refrigerator draws 100-400W running and 1,200W surge. The Anker SOLIX C300 (300W continuous, 600W surge) may struggle with larger fridges. The EcoFlow DELTA 2 Max (2,400W, 4,800W surge) can handle most fridges.
How long will the Anker SOLIX C300 and EcoFlow DELTA 2 Max last on a single charge?
Runtime depends on your load. At 100W draw: the Anker SOLIX C300 (288Wh) runs approximately 2.4 hours, while the EcoFlow DELTA 2 Max (2,048Wh) runs about 17.4 hours. At 500W draw: 0.5 hours vs 3.5 hours respectively (accounting for ~85% inverter efficiency).

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