£399.00

About as cheap as it gets — within 5% of the all-time low it hit 2 months ago.

£399 today · all-time low £389 (Aug 2026) · usually the usual

EF ECOFLOW EcoFlow RIVER 3 Max Plus 858Wh Portable Power Station

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Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 39 days · 39 data points (no recent data)

Historical
Generating forecast…
£499.00 £377.99 £404.39 £430.79 £457.20 £483.60 £510.00 11 August 2026 20 August 2026 30 August 2026 08 September 2026 18 September 2026
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River 3 Max Plus

Price data last checked 52 day(s) ago - refreshing...

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Price Distribution

Price distribution over 39 days • 3 price levels

Days at Price
Current Price
12 days 5 days · current 22 days 0 6 11 17 22 £389 £399 £499 Days at Price

Price Analysis

Most common price: £499 (22 days, 56.4%)

Price range: £389 - £499

Price levels: 3 different prices over 39 days

Description

The EF EcoFlow RIVER 3 Max Plus delivers reliable, portable power with an 858Wh LFP battery designed for home backup and off-grid adventures. With up to 1200W peak output via X-Boost technology and steady 600W power delivery, it runs 90% of household devices from its 7+1 outlet configuration, including 3 UPS AC ports, 2 USB-A, USB-C, and car output. X-Stream charging technology refills the battery from 0-100% in just 2.3 hours via AC input, while 220W solar input capability enables full recharging in 4.8 hours for sustainable, off-grid use. The integrated light provides visibility during outages or camping trips, and the modular design allows connection to an extra battery for expanded capacity and additional 140W USB-C charging options. Whether powering essential home appliances during emergencies or supporting outdoor excursions, the RIVER 3 Max Plus combines fast charging, multiple outlet options, and robust battery technology for dependable energy access.

Key Features

The RIVER 3 Max Plus delivers up to 1200W peak power via X-Boost technology, with consistent 600W steady output to reliably run most household appliances and devices.

Seven primary outlets plus one car output provide comprehensive connectivity: 3 UPS-protected AC ports, 2 USB-A ports, and USB-C port ensure most devices can charge simultaneously.

X-Stream AC charging recharges the 858Wh battery from empty to full in just 2.3 hours without damaging the LFP cell chemistry for extended lifespan.

220W solar input capability allows off-grid recharging in approximately 4.8 hours, making the RIVER 3 Max Plus ideal for remote locations and sustainable energy solutions.

Built-in LED light provides automatic visibility during power outages or night-time camping, enhancing safety and usability in dark conditions.

Modular battery expansion allows connection of an additional battery unit, which adds a dedicated 140W USB-C port for increased charging capacity and flexibility.

Product Specifications

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