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Anker SOLIX C300vsAnker SOLIX F3800

Both the Anker SOLIX C300 and Anker SOLIX F3800 come from Anker, but they target different use cases. The Anker SOLIX F3800 offers 3,840Wh of capacity — 3,552Wh more than its sibling. Below we break down every specification to help you decide which Anker model fits your power needs.

Anker SOLIX C300

Anker SOLIX C300

Anker

$249.99

Buy on Amazon
Anker SOLIX F3800

Anker SOLIX F3800

Anker

$1,898.99

Buy on Amazon

Specifications Comparison

Capacity
288 Wh
3,840 Wh
Continuous Output
300 W
6,000 W
Surge Power
600 W
9,000 W
Battery Type
LiFePO4
LiFePO4
Cycle Life
3,000 cycles
3,000 cycles
Charge Time
1.5 hours
1.5 hours
Weight
8.2 lbs
132 lbs
Dimensions
8.5 x 5.1 x 7.9 in
23.3 x 13.4 x 16.3 in
Price
$249.99
$1,898.99
Rating
4.7/5
4.2/5

Key Differences Explained

Battery Capacity

The Anker SOLIX F3800 packs 3,840Wh — 13.3x the Anker SOLIX C300's 288Wh. That extra 3,552Wh means significantly longer runtime for appliances like mini-fridges, CPAP machines, or power tools.

Output Power

With 6,000W continuous output, the Anker SOLIX F3800 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 $0.49/Wh, the Anker SOLIX F3800 offers 43% 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 123.8 lbs lighter than the Anker SOLIX F3800 (132 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 Anker SOLIX F3800's 2. It stands out with 288Wh capacity and 300W output at $249.99. However, the Anker SOLIX F3800 may still be the better choice if you prefer the Anker ecosystem.

Choose Anker SOLIX C300 if...

  • Budget is a priority — save $1,649 compared to the Anker SOLIX F3800
  • Portability matters — at 8.2 lbs, it's 123.8 lbs lighter
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Choose Anker SOLIX F3800 if...

  • You need maximum battery capacity — 3,840Wh gives you 1233% more runtime than the Anker SOLIX C300
  • You need to power high-wattage appliances up to 6,000W
Read Full Review

Frequently Asked Questions

Which is better, Anker SOLIX C300 or Anker SOLIX F3800?
It depends on your needs. The Anker SOLIX C300 offers 288Wh capacity with 300W output at around $249.99. The Anker SOLIX F3800 provides 3,840Wh and 6,000W for about $1,898.99. Choose the Anker SOLIX F3800 for more capacity, or the Anker SOLIX C300 for better value.
Can the Anker SOLIX C300 or Anker SOLIX F3800 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 Anker SOLIX F3800 (6,000W, 9,000W surge) can handle most fridges.
How long will the Anker SOLIX C300 and Anker SOLIX F3800 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 Anker SOLIX F3800 (3,840Wh) runs about 32.6 hours. At 500W draw: 0.5 hours vs 6.5 hours respectively (accounting for ~85% inverter efficiency).

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