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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 23

Updated Oct 23, 2026 · prices checked Oct 23, 2026 · How we calculate

EcoFlow RIVER 3 Plus, front view with its display and outlets
Image: EcoFlow

What it runs

  • Average fridge3.5 h70.4 W
  • Modem + router22.1 h11 W
  • 4 LED bulbs7.1 h34 W
  • CPAP, humidifier on11 h22 W
  • Laptop4.9 h50 W
  • Starlink Standard3.2 h75 W
  • TV, 55 inch2.5 h96 W
  • Electric blanket2.4 h100 W
  • MicrowaveCan’t run it1,100 W

Each device on its own: 286 Wh × 0.85 ÷ watts. Several at once: add the watts, or use the planner.

Every number, with sources

Runtime at steady loads

LoadRuntime
50 W4.9 h
100 W2.4 h
200 W1.2 h
500 W29 min

286 Wh × 0.85 ÷ load.

Devices, one at a time

DeviceDrawRuntime
Modem + router (NRDC)11 W22.1 h
4 LED bulbs (Philips)34 W7.1 h
CPAP, humidifier on (ResMed)22 W11 h
Laptop (Virginia Tech)50 W4.9 h
Starlink Standard (Starlink)75 W3.2 h
TV, 55 inch (ENERGY STAR)96 W2.5 h
Electric blanket (Penn State)100 W2.4 h
Microwave (Penn State)1,100 WOutput too low

Each on its own. Several at once: add the watts, or use the calculator.

Fridges

FridgeAverageRuntime
Efficient 18 cu ft (ENERGY STAR)42 W5.8 h
Average US fridge (EIA)70.4 W3.5 h
Large 26 cu ft (ENERGY STAR)80.8 W3 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.

Add-ons from EcoFlow

Extra battery

Battery numbers in a table
BatteryAddsTotal with oneAverage fridgePriceStore
EcoFlow RIVER 3 Plus Smart Extra Battery (EB300)286 Wh572 Wh6.9 h$159Check price for the EcoFlow RIVER 3 Plus Smart Extra Battery (EB300)

EcoFlow lists these for the RIVER 3 Plus. Fridge time: total Wh × 0.85 ÷ 70.4 W. Prices: EcoFlow’s US store, Oct 23.

Solar panels

Sun hours to full with one panel: 286 Wh ÷ (0.75 × the panel’s watts, up to the 220 W one input takes).

Panel numbers in a table
PanelRatedWeightPriceSun hoursStore
EcoFlow NextGen 160W Portable Solar Panel160 W12.3 lb$3692.4 hCheck price for the EcoFlow NextGen 160W Portable Solar Panel
EcoFlow NextGen 220W Bifacial Portable Solar Panel220 W15.4 lb$3991.7 hCheck price for the EcoFlow NextGen 220W Bifacial Portable Solar Panel
EcoFlow 100W Flexible Solar Panel100 W5.1 lb$1993.8 hCheck price for the EcoFlow 100W Flexible Solar Panel
EcoFlow 175W Rigid Solar Panel175 W20.5 lb$2492.2 hCheck price for the EcoFlow 175W Rigid Solar Panel

Sun hours to full with one panel: 286 Wh ÷ (0.75 × the panel’s watts, up to the 220 W one input takes).

EcoFlow’s portable panels come with a solar charging cable; for the rigid and flexible panels, check that you have one for this station. All panels side by side: solar panels for power stations.

Charging while you drive

EcoFlow 500W Alternator Charger: EcoFlow lists it for RIVER models and includes an XT60 cable; the RIVER 3 Plus takes up to 220 W through its solar/car input. $199. Check price at EcoFlow for the EcoFlow 500W Alternator Charger

Nearest in size

Maker prices, Oct 23, 2026, unless dated. Checkout price applies.

Compare them in a table
StationMaker priceCapacity$ per WhOutputWeight
EcoFlow RIVER 3 Plus (this one)$299286 Wh$1.05600 W10.4 lb
BLUETTI Elite 30 V2$289.99288 Wh$1.01600 W9.5 lb
Jackery Explorer 600 v2 (sold out)$499640 Wh$0.78500 W14.1 lb
Anker SOLIX C1000 Gen 2$499.991,024 Wh$0.492,000 W24.9 lb

Maker prices, Oct 23, 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.

Keep comparing

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