EF ECOFLOW RIVER 2 Max Portable Power Station, 512Wh

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Product guide

EF ECOFLOW RIVER 2 Max Portable Power Station, 512Wh

EF ECOFLOW RIVER 2 Max is a portable power station listed with a 512Wh LiFePO4 battery and solar-powered charging. The listing claims up to 1000W output and one-hour AC charging, while its 6kg listed weight makes portability a central consideration for camping, RV and home-use setups.

At a glance

The listing claims AC recharging in one hour and solar recharging in as fast as three hours with 220W solar input.
Manufacturer-listed battery cells are LFP, the listing claims more than 3000 charge cycles before capacity reaches 80%.
The manufacturer describes multiple output types, including AC outlets and USB-C, but does not provide a complete port breakdown here.

Price

£299.00Save 33%

Reference price: ~~£449.00~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

The claimed one-hour AC recharge may suit users who need to replenish the station between outings.
At a listed 6kg, it is more manageable to carry than a large fixed backup system.
The claimed solar charging option offers an off-grid recharge route when paired with a suitable panel.

Cons

A 512Wh capacity is aimed at smaller, shorter-duration power needs rather than extended high-load backup.

Technical specifications

12 specifications

Identity
Brand	EF ECOFLOW
Model	River

Power and battery
Power configuration	Solar Powered

Dimensions and installation
Weight listed	6 Kilograms
Dimensions	28.8L x 27W x 19.6H centimetres

Listing details
Battery capacity in title	512Wh
Battery chemistry in title	LiFeP04
Claimed output	1000 Watts
Claimed AC voltage	220 Volts (AC)
Claimed AC frequency	60 Hz
Claimed solar input and recharge time	220W solar input; as fast as 3 hours
Claimed AC recharge time	1 hour

What to know before buying

Listing details to confirm

Listing details are inconsistent or unconfirmed: the title gives 512Wh and LiFeP04, while the supplied technical details do not independently specify battery capacity or chemistry, the claimed 1000W output, 220 Volts (AC), 60 Hz and 3 total outlets are not accompanied by a matching full port specification, and the claimed one-hour charging time is not qualified with a tested setup. Confirm the exact configuration and output limits for your intended devices.

What’s in the box

Included

RIVER 2 Max
AC charging cable
User manual
5-year warranty

Who is it for?

A good fit for

Campers and RV users wanting a portable battery station for smaller appliances and device charging.
Buyers who can recharge from mains or use a compatible solar panel and value the claimed fast recharge.

Less suited to

Users needing long-duration backup for high-consumption appliances or a clearly documented port-by-port output specification.

EF ECOFLOW RIVER 2 Max Portable Power Station, 512Wh · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 798 ratings

5 stars76%76%
4 stars9%9%
3 stars4%4%
2 stars1%1%
1 star10%10%

Customer feedback reports positive impressions of performance, charging speed, versatility, power capacity and weight, the summary also describes reliability and battery life as mixed, with reports ranging from flawless operation to early failure. These are customer perceptions, not confirmed performance findings. The listing’s claimed 6kg weight and fast charging relate to the praised themes, but the feedback does not establish that every unit will achieve the stated charging times or output. The aggregate rating is 4.4 out of 5 from 798 ratings, that overall figure does not explain the differing reliability experiences.

Positive themes

Customers report good performance and appreciate the lightweight design.
Customers mention fast charging, versatile outputs and useful power capacity.

Mixed feedback

Customer feedback is mixed on reliability and battery life, with some reports of dependable operation and others of early failure.
Value feedback is also mixed, ratings alone do not establish the reason for the difference.

Frequently asked questions

How quickly does the RIVER 2 Max recharge?

The listing claims one hour using an AC outlet and as fast as three hours with 220W solar input. Actual times depend on the charging setup, the solar panel is not included in the supplied package list.

What battery capacity does this listing specify?

The title states 512Wh, but the supplied technical details do not separately confirm capacity or battery chemistry. Check the exact selected listing configuration before buying.

Is a solar panel included?

No solar panel appears in the explicit included-components list. Solar charging is claimed with 220W solar input.

What is included?

The supplied package list names the RIVER 2 Max, AC charging cable, car user manual and a 5-year warranty.