EcoFlow DELTA Pro 3vsEcoFlow RIVER 2
Both the EcoFlow DELTA Pro 3 and EcoFlow RIVER 2 come from EcoFlow, but they target different use cases. The EcoFlow DELTA Pro 3 offers 4,096Wh of capacity — 3,840Wh more than its sibling. Below we break down every specification to help you decide which EcoFlow model fits your power needs.
Specifications Comparison
Key Differences Explained
Battery Capacity
The EcoFlow DELTA Pro 3 packs 4,096Wh — 16.0x the EcoFlow RIVER 2's 256Wh. That extra 3,840Wh means significantly longer runtime for appliances like mini-fridges, CPAP machines, or power tools.
Output Power
With 4,000W continuous output, the EcoFlow DELTA Pro 3 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 $0.56/Wh, the EcoFlow DELTA Pro 3 offers 20% 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 105.8 lbs lighter than the EcoFlow DELTA Pro 3 (113.5 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 DELTA Pro 3 wins 4 out of 7 comparison categories against the EcoFlow RIVER 2's 2. It stands out with 4,096Wh capacity and 4,000W output at $2,299. However, the EcoFlow RIVER 2 may still be the better choice if budget is your top priority.
Choose EcoFlow DELTA Pro 3 if...
- You need maximum battery capacity — 4,096Wh gives you 1500% more runtime than the EcoFlow RIVER 2
- You need to power high-wattage appliances up to 4,000W
- Long-term durability is important — 4,000 cycle lifespan
Choose EcoFlow RIVER 2 if...
- Budget is a priority — save $2,120.01 compared to the EcoFlow DELTA Pro 3
- Portability matters — at 7.7 lbs, it's 105.8 lbs lighter


