Anker SOLIX F3800vsEcoFlow RIVER 2
The EcoFlow RIVER 2 ($178.99) and Anker SOLIX F3800 ($1,898.99) sit in different price brackets, with a $1,720 gap between them. Is the Anker SOLIX F3800's 3,840Wh capacity and 6,000W output worth the premium over the EcoFlow RIVER 2's 256Wh/300W? We compare every spec below.
Specifications Comparison
Key Differences Explained
Battery Capacity
The Anker SOLIX F3800 packs 3,840Wh — 15.0x the EcoFlow RIVER 2's 256Wh. That extra 3,584Wh 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 EcoFlow RIVER 2'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 29% better value per watt-hour than the EcoFlow RIVER 2 ($0.70/Wh). This metric helps you understand the raw cost of stored energy, regardless of other features.
Portability
At 7.7 lbs, the EcoFlow RIVER 2 is 124.3 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 EcoFlow RIVER 2 wins 3 out of 7 comparison categories against the Anker SOLIX F3800's 2. It stands out with 256Wh capacity and 300W output at $178.99. However, the Anker SOLIX F3800 may still be the better choice if you prefer the Anker ecosystem.
Choose Anker SOLIX F3800 if...
- You need maximum battery capacity — 3,840Wh gives you 1400% more runtime than the EcoFlow RIVER 2
- You need to power high-wattage appliances up to 6,000W
Choose EcoFlow RIVER 2 if...
- Budget is a priority — save $1,720 compared to the Anker SOLIX F3800
- Portability matters — at 7.7 lbs, it's 124.3 lbs lighter


