Power stations · Home backup (4 kWh+)
EcoFlow DELTA Pro 3: specs and real-world runtimes
Home-backup class. 120/240 V output can run a well pump or central-system loads, and it rolls on wheels.
- Capacity
- 4,096 Wh
- AC output
- 4,000 W
- Surge
- 8,000 W
- Weight
- 113.5 lb
- Battery
- LiFePO4
- Expandable
- Expandable to about 12 kWh
- 240 V output
- Yes
- UPS mode
- Yes
Common outage setups
| Setup | Runtime |
|---|---|
| Phones, Wi-Fi and lights | 4.0 days |
| Keep the fridge cold | 40 hr |
| CPAP through the night | 4.2 days |
| Winter outage, gas heat | 14 hr |
| Most of the house | 16 hr |
One appliance at a time
| Appliance | Typical watts | Runtime |
|---|---|---|
| Wi-Fi router + modem | 15 W | 9.7 days |
| Phone charging (each) | 15 W | 9.7 days |
| Laptop | 60 W | 2.4 days |
| LED light bulb (each) | 9 W | 16.1 days |
| LED TV, 40–55 in | 80 W | 44 hr |
| Refrigerator, full size | 150 W | 2.4 days |
| Chest freezer | 100 W | 3.6 days |
| Microwave | 1,000 W | 3.5 hr |
| Coffee maker | 900 W | 3.9 hr |
| Electric blanket | 60 W | 2.4 days |
| Box fan | 50 W | 2.9 days |
| Window air conditioner | 500 W | 9.9 hr |
| Space heater | 1,500 W | 2.3 hr |
| Gas furnace blower | 500 W | 7.0 hr |
| Sump pump, 1/3 hp | 800 W | 4.4 hr |
| Well pump, 240 V | 1,000 W | 3.5 hr |
| Garage door opener | 400 W | 8.7 hr |
| CPAP, no humidifier | 40 W | 3.6 days |
| CPAP with heated humidifier | 90 W | 39 hr |
Estimates at 85% usable capacity and typical appliance draw. "Too much load" means the appliance's running or startup watts exceed this model's ratings.
Questions
How long will the EcoFlow DELTA Pro 3 run a refrigerator?
About 2.4 days for a typical full-size fridge averaging 60 W, at 85% usable capacity.
Can the EcoFlow DELTA Pro 3 run a CPAP?
Yes. A CPAP without the humidifier (about 40 W) runs for roughly 10.9 nights of 8 hours.
Is the EcoFlow DELTA Pro 3 expandable?
Expandable to about 12 kWh.
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