EcoFlow RIVER 2 ProvsEcoFlow DELTA 3
Both the EcoFlow RIVER 2 Pro and EcoFlow DELTA 3 come from EcoFlow, but they target different use cases. The EcoFlow DELTA 3 offers 1,024Wh of capacity — 256Wh 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 3 packs 1,024Wh — 1.3x the EcoFlow RIVER 2 Pro's 768Wh. That extra 256Wh means significantly longer runtime for appliances like mini-fridges, CPAP machines, or power tools.
Output Power
With 1,800W continuous output, the EcoFlow DELTA 3 can handle heavier loads than the EcoFlow RIVER 2 Pro's 800W. 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 RIVER 2 Pro offers 16% better value per watt-hour than the EcoFlow DELTA 3 ($0.49/Wh). This metric helps you understand the raw cost of stored energy, regardless of other features.
Portability
At 17.4 lbs, the EcoFlow RIVER 2 Pro is 10.2 lbs lighter than the EcoFlow DELTA 3 (27.6 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 3 wins 4 out of 7 comparison categories against the EcoFlow RIVER 2 Pro's 2. It stands out with 1,024Wh capacity and 1,800W output at $499. However, the EcoFlow RIVER 2 Pro may still be the better choice if budget is your top priority.
Choose EcoFlow RIVER 2 Pro if...
- Budget is a priority — save $184 compared to the EcoFlow DELTA 3
- Portability matters — at 17.4 lbs, it's 10.2 lbs lighter
Choose EcoFlow DELTA 3 if...
- You need maximum battery capacity — 1,024Wh gives you 33% more runtime than the EcoFlow RIVER 2 Pro
- You need to power high-wattage appliances up to 1,800W
- Long-term durability is important — 4,000 cycle lifespan


