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EcoFlow Delta Pro 3
At a glance
Full specs โ- Capacity
- 4096 Wh
- Usable energy
- 3686 Wh
- AC output
- 4000 W
- Surge
- 8000 W
- Chemistry
- LiFePO4
- Cycle life
- 4000 cycles
- Max solar
- 2600 W
- Weight
- 113 lb
Best for
Whole-home essentials
Long outages
Off-grid living
Expandable
Estimated usable capacity
Estimate
3,133 Wh
at the outlet ยท ~76% of the 4,096 Wh rating
An estimate, not a measurement: we derate the 4,096 Wh rating for a safe depth-of-discharge and ~15% inverter loss (DCโAC). We haven't bench-tested this unit yet, so treat it as a solid approximation.
EcoFlow
EcoFlow Delta Pro 3
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4.7 / 5
The EcoFlow Delta Pro 3 is a 4096Wh LiFePO4 portable power station delivering 4000W continuous (8000W surge). Rated for ~4000 cycles and up to 2600W of solar input, with expandable capacity.
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Check current price โ
Affiliate link โ we may earn a commission at no cost to you.
Full specifications
| Battery capacity | 4096 Wh |
| Usable capacity | 3686 Wh |
| AC output | 4000 W |
| Surge output | 8000 W |
| Chemistry | LiFePO4 |
| Cycle life | 4000 cycles |
| Max solar input | 2600 W |
| Expandable | Yes |
| Weight | 113 lb |
| Warranty | 5 yrs |
| Ports | 5x AC | 2x USB-C | 2x USB-A | 1x L14-30 |
Video review
We recommend watching a real-world test before buying. Here's a hands-on review of the Delta Pro 3:
โถWatch EcoFlow Delta Pro 3 on YouTubeHobotech / DIY Solar PowerChannels we trust for hands-on testing
Independent reviewers who bench-test capacity, inverters and real-world runtime.
Hobotech
Rigorous real-world capacity & inverter testing.
DIY Solar Power with Will Prowse
The go-to for DIY off-grid and teardown reviews.
The Solar Lab
Real world testing of solar panels and power stations.
How long will the Delta Pro 3 runโฆ
Estimated runtime per full charge for common loads.
Phone charge (about 13.1 days (~313 hours))
Laptop (about 2.2 days (~52 hours))
Wi-Fi router / modem (about 8.7 days (~209 hours))
LED lights (per bulb) (about 13.1 days (~313 hours))
CPAP machine (about 3.3 days (~78 hours))
Mini fridge (about 2.2 days (~52 hours))
Full-size fridge (about 21 hours)
12V cooler / fridge (about 2.9 days (~70 hours))
Microwave (1000W) (about 2.6 hours)
Coffee maker (about 3.5 hours)
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