EcoFlow · 286 Wh
EcoFlow RIVER 3 Plus: how long it runs
About 2.4 h at 100 W and 3.5 h for an average US fridge.
- 286Wh
- 600W output
- 10.4lb
- $299price, Oct 21
Runtime at steady loads
| Load | Runtime |
|---|---|
| 50 W | 4.9 h |
| 100 W | 2.4 h |
| 200 W | 1.2 h |
| 500 W | 29 min |
286 Wh × 0.85 ÷ load.
Your devices, one at a time
| Device | Draw | Runtime |
|---|---|---|
| Modem + router (NRDC) | 11 W | 22.1 h |
| 4 LED bulbs (Philips) | 34 W | 7.1 h |
| CPAP, humidifier on (ResMed) | 22 W | 11 h |
| Laptop (Virginia Tech) | 50 W | 4.9 h |
| Starlink Standard (Starlink) | 75 W | 3.2 h |
| TV, 55 inch (ENERGY STAR) | 96 W | 2.5 h |
| Electric blanket (Penn State) | 100 W | 2.4 h |
| Microwave (Penn State) | 1,100 W | Output too low |
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 | 5.8 h |
| Average US fridge (EIA) | 70.4 W | 3.5 h |
| Large 26 cu ft (ENERGY STAR) | 80.8 W | 3 h |
From the specs
Suits
- Carrying by hand: 10.4 lb.
- Quick solar refills: about 1.7 sun hours at its 220 W limit.
- Growing later: expands to 858 Wh with its 572 Wh extra battery.
Look elsewhere for
- Running a fridge: only about 3.5 h on an average US fridge.
- Microwaves, kettles and hair dryers: 600 W output is too low for most.
- Price per Wh: $1.05, #18 of 18 here.
CPAP users: follow your doctor’s and the device maker’s advice on backup power.
Motors and solar
1,200 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 220 W, about 1.7 sun hours to full by our math.
Nearest in size
| Station | Maker price | Capacity | $ per Wh | Output | Weight |
|---|---|---|---|---|---|
| EcoFlow RIVER 3 Plus (this one) | $299 | 286 Wh | $1.05 | 600 W | 10.4 lb |
| BLUETTI Elite 30 V2 | $289.99 | 288 Wh | $1.01 | 600 W | 9.5 lb |
| Jackery Explorer 600 v2 (sold out) | $499 | 640 Wh | $0.78 | 500 W | 14.1 lb |
| Anker SOLIX C1000 Gen 2 | $549.99 | 1,024 Wh | $0.54 | 2,000 W | 24.9 lb |
Maker prices, Oct 21, 2026, unless dated. Checkout price applies.
Quick answers
How long will the EcoFlow RIVER 3 Plus run a refrigerator?
About 3.5 h for an average US fridge (70.4 W): 286 Wh × 0.85 ÷ 70.4 W.
How long does the EcoFlow RIVER 3 Plus take to charge from solar?
About 1.7 sun hours at 220 W by our math; longer in practice.
Can the EcoFlow RIVER 3 Plus run a microwave?
Not most: its 600 W output is below a typical microwave’s 750–1,100 W draw.
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