EcoFlow RIVER 3 Plus review

What is the EcoFlow RIVER 3 Plus?

The EcoFlow RIVER 3 Plus is a 286Wh portable power station with 600W of continuous AC output (1,200W surge). It weighs 10.4 lb and takes up to 220W of solar. You can expect to draw about 243Wh from it, which is roughly 4 hours for a 12V fridge averaging 50W.

Specs from the EcoFlow US product page.

Is the RIVER 3 Plus the best cheap power station for camping?

For a lot of people, yes. If you want something small for camp that can still run a blender, a small hair dryer or a 600W rice cooker at home, it’s the budget box we’d look at first. Most stations this size stop at 300W, and the RIVER 3 Plus gives you 600W.

You get 286Wh, which is an evening of lights, phones and a laptop with plenty left over. EcoFlow lists a full wall charge in about an hour, and the switchover is under 10 ms, so it can sit behind your router or desktop between trips and take over when the power blinks.

It also grows a little. EcoFlow’s EB300 and EB600 extra batteries clip on and take it to 858Wh, which is enough to keep a 12V fridge going overnight. Here’s the catch: at 10.4 lb it’s a few pounds heavier than the 300W boxes, so it’s a carry from the car, not a hike.

What do the EcoFlow RIVER 3 Plus specs mean?

Capacity is 286 Wh. That’s plenty for your phones, lights and a laptop on a short trip, but it won’t keep a fridge going overnight.

It’s rated 600 W continuous, which is the most you can run at once. Surge is listed at 1,200 W, with a boost figure of 1,200 W, and that headroom is what gets a fridge compressor started.

It weighs 10.4 lb (4.7 kg). You can carry it from the car to camp without a second thought. It takes up to 220 W of solar, though the wall is usually the quicker way to fill it.

Runtime claims on the box assume a light load, so we’d go by your own watts. How we compare.

How long will the EcoFlow RIVER 3 Plus run a fridge, CPAP or TV?

Here’s our math for one appliance at a time, using about 243Wh of usable energy. Check the watts on your own label, because yours may differ.

Who is the EcoFlow RIVER 3 Plus for?

We’d point you to the EcoFlow RIVER 3 Plus for camping trips where you carry it one-handed and home backup.

What outlets does the EcoFlow RIVER 3 Plus have?

3× AC (600W total, 1,200W surge), 1× 100W USB-C, 2× 12W USB-A, 1× 12V car outlet.

Inverter: pure sine wave. Chemistry: LiFePO4.

Step down and step up

• Larger class: EcoFlow RIVER 2 Pro — 768 Wh, 800 W, 18.2 lb

Common questions

How long will the EcoFlow RIVER 3 Plus run a 12V fridge?

About 4 hours if your fridge averages 50W, which is typical for a 12V compressor fridge. You can draw about 243Wh from it (286Wh times 0.85), so a 40W fridge gets about 6 hours and a 60W one about 4. Hot days and an often-opened lid will shorten that.

Can the EcoFlow RIVER 3 Plus run a coffee maker or microwave?

A drip coffee maker is often 800–1,200W. A microwave is often 1,000–1,200W at the wall. The EcoFlow RIVER 3 Plus is rated 600W continuous. So we’d leave both at home.

How fast does the EcoFlow RIVER 3 Plus recharge from solar?

About 1.3 hours at best: 286Wh divided by its 220W solar limit. Real panels give you less than their rating once heat, cloud and a low sun come into it, so we’d plan on longer.

How heavy is the EcoFlow RIVER 3 Plus?

The EcoFlow RIVER 3 Plus weighs 10.4 lb. You can carry it from the car to camp on your own.

Can the EcoFlow RIVER 3 Plus run a refrigerator during a power outage?

Only briefly. A kitchen fridge averages roughly 100–200W, so the EcoFlow RIVER 3 Plus’s 286Wh would last about 1 hours at 150W. We’d size up to 1,000Wh or more if keeping your fridge cold is the main job.

Is the EcoFlow RIVER 3 Plus good for camping?

Yes. At 10.4 lb it’s easy to carry from the car, and 286Wh covers lights, phones and a laptop for a weekend.

Can you add batteries to the EcoFlow RIVER 3 Plus?

Yes. The maker lists expansion up to about 858Wh with its own add-on batteries, so you can add runtime later without replacing the station.