EcoFlow RIVER 3 Plus: Runtime & Specs
The EcoFlow RIVER 3 Plus is a 286 Wh LiFePO4 power station with 600 W of continuous AC output and a 1,200 W surge rating. It runs a typical full-size fridge for about 4.2 hours.
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How long will the RIVER 3 Plus 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 | 27 hours | |
| Phone charging | 10 W | 26 hours | |
| Wi-Fi router + modem | 15 W | 16 hours | |
| Laptop | 50 W | 4.9 hours | |
| CPAP + humidifier | 30 W | 8.1 hours | |
| CPAP with heated humidifier + humidifier | 60 W | 4.1 hours | |
| Starlink Standard | 90 W | 2.7 hours | |
| TV | 100 W | 2.4 hours | |
| Mini fridge | 29 W | 8.4 hours | |
| Refrigerator | 58 W | 4.2 hours | |
| Chest freezer | 29 W | 8.4 hours | |
| Sump pump (1/3 HP) | 160 W | Too much power | |
| Sump pump (1/2 HP) | 210 W | Too much power | |
| Window AC | 225 W | 1.1 hours | |
| Drip coffee maker | 1,000 W | Too much power | |
| Microwave | 1,500 W | Too much power | |
| Space heater | 750 W | Too much power | |
| 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 RIVER 3 Plus can't power
- Refrigerator (older full-size, 1990s–early 2000s): needs about 1,600 W to start
- Microwave (1,000 W cooking power): needs 1,500 W running
- Drip coffee maker (10–12 cup): needs 1,000 W running
- Electric kettle (1.7 L): needs 1,500 W running
- Toaster (2–4 slice): needs 1,000 W running
- Induction burner (single, portable): needs 1,500 W running
- Electric pressure cooker (6 qt, Instant Pot type): needs 1,000 W running
- Window AC (8,000 BTU): needs 700 W running
- Space heater (portable, 1,500 W): needs 1,500 W running
- Gas furnace blower fan: needs about 1,400 W to start
- Sump pump (1/3 HP): needs 800 W running
- Sump pump (1/2 HP): needs 1,050 W running
- Well pump (1/2 HP submersible): needs 240 V
- Garage door opener: needs 720 W running
- Circular saw (7-1/4 in.): needs 1,400 W running
- EV Level 1 charging (120 V, 12 A): needs 1,440 W running
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 | 3.8 hours |
| 200 W of panels | 150 W | 1.9 hours |
| 220 W of panels | 165 W | 1.7 hours |
Check panel voltage and wiring with the solar charging calculator.
Full specifications
| Battery capacity | 286 Wh |
|---|---|
| Battery chemistry | LiFePO4 (LFP) |
| Continuous AC output | 600 W |
| Surge (peak) output | 1,200 W |
| X-Boost (heating devices) | 1,200 W |
| AC voltage | 120V |
| AC outlets | 3 |
| USB-C ports | 1 (up to 100 W) |
| USB-A ports | 2 |
| 12 V car outlet | Yes |
| Max solar input | 220 W |
| Solar voltage range | — |
| Solar max current | — |
| Max AC charging power | 380 W |
| AC charging time (maker claim) | 0–100% in 60 min |
| Expandable | Yes, up to 858 Wh |
| UPS / EPS switchover | 10 ms |
| Cycle life | 3,000 cycles |
| Weight | 10.4 lb |
| Warranty | — |
Notes: Expands to 858Wh with RIVER 3 Plus Smart Extra Battery EB300 (286Wh) or EB600 (572Wh). Car outlet per REI listing. Solar V/A and warranty not on EcoFlow US page.
Specs from EcoFlow's published documents, as of September 2026. Found an error? Tell us.