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EF ECOFLOW Portable Power Station RIVER 2, 256Wh 300W
EF ECOFLOW

EF ECOFLOW Portable Power Station RIVER 2, 256Wh 300W

Bottom line: The EF ECOFLOW Portable Power Station RIVER 2 ($239.00 on Amazon as of 2026-10-20 18:16 UTC): Full AC recharge in about 1 hour via EcoFlow X-Stream fast charging; main trade-off: 256Wh capacity is small for fridges or long off-grid stints.

$239.00

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Buy on Amazon — $239.00 Compare to similar power supplies

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Full AC recharge in about 1 hour via EcoFlow X-Stream fast charging
  • ✓ LiFePO4 cells rated 3,000+ cycles to 80%, roughly 10 years of regular use
  • ✓ Only 7.7 lbs with a built-in handle for one-hand carry
  • ✓ 600W total output runs 6 essential devices at once
  • ✓ Solar recharge in as little as 2.3 hours at 110W input

Cons

  • ✗ 256Wh capacity is small for fridges or long off-grid stints
  • ✗ AC outlets are rated 300W each, so high-draw tools are out
  • ✗ Solar panel is sold separately, adding to real cost
  • ✗ No listed expansion battery, so capacity is fixed at 256Wh

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SpecPicks Verdict

SpecPicks scored EF ECOFLOW Portable Power Station RIVER 2 using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. EF ECOFLOW's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How long does the RIVER 2 take to fully charge?

About 1 hour from a standard AC wall outlet using EcoFlow's X-Stream fast charging. With 110W of solar input, a full recharge takes as little as 2.3 hours.

What can a 256Wh power station actually run?

With 600W of output across two AC outlets plus USB-C and USB-A, it can power up to 6 essentials at once, such as phones, laptops, a CPAP, lights, or a router. The 256Wh capacity suits short sessions rather than all-day fridge duty.

How long will the battery last before it wears out?

The LFP cells are rated for more than 3,000 charge cycles before capacity falls to 80%, which EcoFlow describes as almost 10 years of regular use. A built-in BMS monitors voltage, current, and temperature to protect the pack.

Is it light enough to carry camping?

Yes. The RIVER 2 weighs 7.7 lbs and has a built-in handle, so it is a one-hand carry for tent camping, RV trips, and off-grid days out.

Does a solar panel come in the box?

No, the solar panel is optional and sold separately. The box includes the RIVER 2 unit, an AC charging cable, the user manual, and a 5-year service commitment.

Key Features

  • [1 Hour AC Recharge] - Fully recharge the electric generator using an AC outlet in only 1 hour with EcoFlow's X-Stream fast charging technology
  • [Power All Your Essentials] - With an output of up to 600W, run 6 essential appliances simultaneously without worrying about overloading. With a whole host of ports, from 300W AC outlets to USB-C, we've got all your device's plugs covered
  • [LFP Long-Life Battery] - Using LFP battery cells, use and recharge RIVER 2 more than 3000 times before hitting 80%. That's almost 10 years of regular use. RIVER 2 includes advanced BMS protection, monitoring voltage, current, and temperature to keep your LFP battery running for years
  • [Fast Solar Charging] - Use clean, green renewable energy to recharge RIVER 2 power generator in as fast as 2.3 hours with 110W solar input
  • [Light & Portable] - With a lightweight of only 7.7 lbs, RIVER 2 is the ideal outdoor generator for all your off-grid adventures. With a built-in handle, this portable battery is easy and convenient to take anywhere you need power
  • [What's included] - RIVER 2 portable power station, AC charging cable, user manual, and a 5-year service

Full Specifications

BrandEF ECOFLOW
ColorRIVER 2 Power Station
Runtime3 hours
Voltage120 volts
Wattage256 watt-hours
Frequency60 hertz
Fuel TypeElectric
Model NameEFR600
Engine Type4 Stroke
ConnectivityUSB-C
Model NumberEFR600
Power SourceSolar Powered
Item Type Nameportable power station
Output Wattage600
Number of Items1
Running Wattage600 watts
Special Feature1 Hour AC Recharge, Fast Solar Recharge, LiFePO4 10-Year Long-Life Battery, Light & Portable
Additional Features1 Hour AC Recharge, Fast Solar Recharge, LiFePO4 10-Year Long-Life Battery, Light & Portable
Engine Displacement418 cubic centimeters
Included ComponentsRIVER 2 portable power station, AC charging cable, car charging cable, user manual, 5-year service. (A solar charging cable is not included.)

Ready to buy?

EF ECOFLOW Portable Power Station RIVER 2, 256Wh 300W is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $239.00

*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.

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EF ECOFLOW Portable Power Station RIVER 2, 256Wh 300W
$239.00
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