Power stations · 1 kWh class
EcoFlow DELTA 3 Plus: specs and real-world runtimes
The most flexible 1 kWh unit: strong 1,800 W output and the option to add batteries later.
- Capacity
- 1,024 Wh
- AC output
- 1,800 W
- Surge
- 3,600 W
- Weight
- 27.6 lb
- Battery
- LiFePO4
- Expandable
- Up to 5 kWh with extra batteries
- 240 V output
- No
- UPS mode
- Yes
Common outage setups
| Setup | Runtime |
|---|---|
| Phones, Wi-Fi and lights | 24 hr |
| Keep the fridge cold | 10 hr |
| CPAP through the night | 25 hr |
| Winter outage, gas heat | 3.4 hr |
| Most of the house | Too much load |
One appliance at a time
| Appliance | Typical watts | Runtime |
|---|---|---|
| Wi-Fi router + modem | 15 W | 2.4 days |
| Phone charging (each) | 15 W | 2.4 days |
| Laptop | 60 W | 15 hr |
| LED light bulb (each) | 9 W | 4.0 days |
| LED TV, 40–55 in | 80 W | 11 hr |
| Refrigerator, full size | 150 W | 15 hr |
| Chest freezer | 100 W | 22 hr |
| Microwave | 1,000 W | 52 min |
| Coffee maker | 900 W | 58 min |
| Electric blanket | 60 W | 15 hr |
| Box fan | 50 W | 17 hr |
| Window air conditioner | 500 W | 2.5 hr |
| Space heater | 1,500 W | 35 min |
| Gas furnace blower | 500 W | 1.7 hr |
| Sump pump, 1/3 hp | 800 W | 1.1 hr |
| Well pump, 240 V | 1,000 W | Too much load |
| Garage door opener | 400 W | 2.2 hr |
| CPAP, no humidifier | 40 W | 22 hr |
| CPAP with heated humidifier | 90 W | 9.7 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, or it needs 240 V.
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Questions
How long will the EcoFlow DELTA 3 Plus run a refrigerator?
About 15 hr for a typical full-size fridge averaging 60 W, at 85% usable capacity.
Can the EcoFlow DELTA 3 Plus run a CPAP?
Yes. A CPAP without the humidifier (about 40 W) runs for roughly 2.7 nights of 8 hours.
Is the EcoFlow DELTA 3 Plus expandable?
Up to 5 kWh with extra batteries.
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