EcoFlow · 2,048 Wh
EcoFlow DELTA 2 Max: how long it runs
About 17.4 h at 100 W and 24.7 h for an average US fridge.
- 2,048Wh
- 2,400W output
- 50lb
- $1,049price, Oct 21
Runtime at steady loads
| Load | Runtime |
|---|---|
| 50 W | 34.8 h |
| 100 W | 17.4 h |
| 200 W | 8.7 h |
| 500 W | 3.5 h |
| 1,000 W | 1.7 h |
| 1,500 W | 1.2 h |
2,048 Wh × 0.85 ÷ load.
Your devices, one at a time
| Device | Draw | Runtime |
|---|---|---|
| Modem + router (NRDC) | 11 W | 6.6 days |
| 4 LED bulbs (Philips) | 34 W | 2.1 days |
| CPAP, humidifier on (ResMed) | 22 W | 3.3 days |
| Laptop (Virginia Tech) | 50 W | 34.8 h |
| Starlink Standard (Starlink) | 75 W | 23.2 h |
| TV, 55 inch (ENERGY STAR) | 96 W | 18.1 h |
| Electric blanket (Penn State) | 100 W | 17.4 h |
| Microwave (Penn State) | 1,100 W | 1.6 h |
Each on its own. Several at once: add the watts, or use the calculator.
Fridges
| Fridge | Average | Runtime |
|---|---|---|
| Efficient 18 cu ft (ENERGY STAR) | 42 W | 41.4 h |
| Average US fridge (EIA) | 70.4 W | 24.7 h |
| Large 26 cu ft (ENERGY STAR) | 80.8 W | 21.5 h |
From the specs
Suits
- A full day of an average fridge, or more: about 24.7 h.
- Kettles, coffee makers and most microwaves: 2,400 W output.
- Quick solar refills: about 2.7 sun hours at its 1,000 W limit.
- Growing later: expands to 6,144 Wh with two DELTA 2 Max Smart Extra Batteries.
Look elsewhere for
- Carrying far: 50 lb.
- Price per Wh: $0.51, #11 of 18 here.
CPAP users: follow your doctor’s and the device maker’s advice on backup power.
Motors and solar
4,800 W surge, per EcoFlow. Some fridges need two to three times their running power to start (Anker), some compressors two to four times (BLUETTI); check yours.
Solar: up to 1,000 W, about 2.7 sun hours to full by our math.
Nearest in size
| Station | Maker price | Capacity | $ per Wh | Output | Weight |
|---|---|---|---|---|---|
| EcoFlow DELTA 2 Max (this one) | $1,049 | 2,048 Wh | $0.51 | 2,400 W | 50 lb |
| EcoFlow DELTA 3 Max Plus | $1,199 | 2,048 Wh | $0.59 | 3,000 W | 48.7 lb |
| Anker SOLIX C2000 Gen 2 | $999.99 | 2,048 Wh | $0.49 | 2,400 W | 41.7 lb |
| BLUETTI AC200L | $899 | 2,048 Wh | $0.44 | 2,400 W | 62.4 lb |
Maker prices, Oct 21, 2026, unless dated. Checkout price applies.
Quick answers
How long will the EcoFlow DELTA 2 Max run a refrigerator?
About 24.7 h for an average US fridge (70.4 W): 2,048 Wh × 0.85 ÷ 70.4 W.
How long does the EcoFlow DELTA 2 Max take to charge from solar?
About 2.7 sun hours at 1,000 W by our math; longer in practice.
Can the EcoFlow DELTA 2 Max run a microwave?
Yes, if the microwave draws under 2,400 W. At 1,100 W: about 1.6 h.
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