EcoFlow DELTA Pro: Runtime & Specs
The EcoFlow DELTA Pro is a 3,600 Wh LiFePO4 power station with 3,600 W of continuous AC output and a 7,200 W surge rating. It runs a typical full-size fridge for about 2.2 days. It has been replaced or discontinued, but many are still in use.
We may earn a commission if you buy through these links. It never changes our numbers, and every model in our database is included whether or not it pays us. Learn more.
How long will the DELTA Pro run your appliances?
Nonstop runtime for one device at a time, using typical US wattages and 85% inverter efficiency. Devices marked ✕ can't run on this model.
| Device | Avg draw | Runtime | Bar |
|---|---|---|---|
| LED light bulb | 9 W | 14.2 days | |
| Phone charging | 10 W | 13.5 days | |
| Wi-Fi router + modem | 15 W | 8.5 days | |
| Laptop | 50 W | 2.6 days | |
| CPAP + humidifier | 30 W | 4.2 days | |
| CPAP with heated humidifier + humidifier | 60 W | 2.1 days | |
| Starlink Standard | 90 W | 34 hours | |
| TV | 100 W | 31 hours | |
| Mini fridge | 29 W | 4.4 days | |
| Refrigerator | 58 W | 2.2 days | |
| Chest freezer | 29 W | 4.4 days | |
| Sump pump (1/3 HP) | 160 W | 19 hours | |
| Sump pump (1/2 HP) | 210 W | 15 hours | |
| Window AC | 225 W | 14 hours | |
| Drip coffee maker | 1,000 W | 3.1 hours | |
| Microwave | 1,500 W | 2 hours | |
| Space heater | 750 W | 4.1 hours | |
| Well pump | 33 W | Needs 240 V |
Fridges, freezers, pumps and AC units cycle on and off, so we use their average draw. Want a mix of devices on a schedule? Use the runtime calculator.
What the DELTA Pro can't power
- Well pump (1/2 HP submersible): needs 240 V
Solar charging time
Hours of good sun to charge from empty, assuming panels deliver 75% of their rating.
| Panels | Power in | Hours of sun |
|---|---|---|
| 100 W of panels | 75 W | 48 hours |
| 200 W of panels | 150 W | 24 hours |
| 400 W of panels | 300 W | 12 hours |
| 1,600 W of panels | 1,200 W | 3 hours |
Check panel voltage and wiring with the solar charging calculator.
Full specifications
| Battery capacity | 3,600 Wh |
|---|---|
| Battery chemistry | LiFePO4 (LFP) |
| Continuous AC output | 3,600 W |
| Surge (peak) output | 7,200 W |
| X-Boost (heating devices) | 4,500 W |
| AC voltage | 120V |
| AC outlets | 5 |
| USB-C ports | 2 (up to 100 W) |
| USB-A ports | 4 |
| 12 V car outlet | Yes |
| Max solar input | 1,600 W |
| Solar voltage range | 11–150 V |
| Solar max current | 15 A |
| Max AC charging power | 3,000 W |
| AC charging time (maker claim) | 0–100% in 2.7 hr (as fast as 1.8 hr) |
| Expandable | Yes, up to 10,800 Wh |
| UPS / EPS switchover | Not listed |
| Cycle life | 3,500 cycles (to 80%) |
| Weight | 99 lb |
| Warranty | 5 years |
Notes: AC in 1800W @120V, 3000W @240V. Up to 2 DELTA Pro Smart Extra Batteries (10.8kWh). Cycles: 3500 to 80%, 6500 to 50%. Still sold; succeeded by DELTA Pro 3. EPS time not listed.
Specs from EcoFlow's published documents, as of September 2026. Found an error? Tell us.
Sources
Similar power stations
- DELTA Pro vs Anker SOLIX F3800
- DELTA Pro vs Anker SOLIX F3800 Plus
- DELTA Pro vs Goal Zero Yeti PRO 4000
- DELTA Pro vs EcoFlow DELTA Pro 3
- DELTA Pro vs Anker SOLIX F3000
- DELTA Pro vs BLUETTI Elite 300