EcoFlow DELTA Pro 3
EcoFlow
A 4,096 Wh LFP station rated for 4,000 W with 240 V output and 2,600 W solar input.
EcoFlow DELTA Pro 3 costs $2,799 in EcoFlow's own US store, checked on October 6, 2026.
Where to buy in
Price in the maker's own store, checked October 6, 2026. Amazon prices change often, so we link without a price.
What you get
The DELTA Pro 3 stores 4,096 Wh and delivers 4,000 W continuous with an 8,000 W surge. It supplies both 120 V and 240 V and expands to 48 kWh per the maker. Solar input is rated at 2,600 W across a high and a low PV port.
- 120/240V output
- Expandable 4-48kWh
- 2600W solar (high-PV 1600W + low-PV 1000W)
- 10ms UPS
- UL9540 certified
Pros and cons of the EcoFlow DELTA Pro 3
Pros
- The 240 V output is listed alongside 120 V for larger home circuits.
- Solar input is rated at 2,600 W split over a high PV and a low PV port.
- The maker lists UL9540 certification for the system.
Cons
- At 113.5 lb it stays where it is installed rather than moving around the house.
- The outlet count was not captured so check the port panel against your needs.
Specs
- Capacity
- 4,096 Wh
- AC output
- 4,000 W
- Battery
- LFP
- Cycle lifemaker's rating
- 4000 cycles to 80%
- Solar input
- 2,600 W
- UPS switchover
- 10 ms
- Weight
- 113.5 lb (51.5 kg)
- Surge
- 8,000 W
- Expandable
- Yes
Why it scores 9.3
9.3/10
Shortlist score. How it is calculated
Emergency features
- LiFePO4 battery
- Capacity of 1,000 Wh or more
- AC output of 1,500 W or more
- Solar input of 400 W or more
- UPS switchover of 30 ms or less
- Rated for 3,000 cycles or more
Tester picks
- OutdoorGearLab
- Popular Mechanics
Search demand
Number 2 of 17 on this shortlist for Google searches by model name.
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