Skip to content

EcoFlow RIVER 3 Max Plus Portable Power Station (RIVER 3 Plus + Extra Battery 600) (600W | 858Wh)

Ecoflow Logo
Top Authorized Dealer
Manufacturer Warranty Included
SKU EFRIVER3MaxPlus-US-CBOX
Save 42% Save 42%
Original price $717.00
Original price $717.00 - Original price $717.00
Original price $717.00
Current price $419.00
$419.00 - $419.00
Current price $419.00
Availability:
in stock, ready to be shipped

Get it between -

Profile Pic

Have a question? Talk to one of our trusted experts today!

Instant Live Chat: Chat IconChat Now

Call or Text us: Phone Icon 415-481-4075

Price Match Policy

Price Match

Here at OffGrid Living, we want to offer you the best prices online.

If you happen to find a lower price for the same product, we will guarantee to match their price or beat their price. Note, this does not apply to all products in the store. Please reach out to us via email or chat if you want a price match or price beat.

For the policy to apply, please send us a screenshot, link, or any other evidence of the product being priced lower than ours before making the purchase.

Refer to our Price Match Policy Rules.

Refunds & Returns Policy

At OffGrid Living, we are proud to have the best refund and return policies in the industry. If you’re not satisfied with your purchase for any reason, you may return it to us within 30 days for a refund.

If you have a problem with our order (there are missing components, damages, or the product is not functioning), please reach out to us as quickly as possible. Some of the problems can be resolved by going through the product manual or the product FAQs.

Refer to our Refunds & Return Policy for more details.

Shipping & Delivery

Order Processing

Once we receive your order, we will send you a confirmation email. Then we will process the order by confirming that the product is in stock and ready for shipment. If any of the items in your order are back-ordered, we will reach to you via email or phone and you may choose to either wait or receive a 100% refund.

Please allow 1-3 days for processing your order.

Shipping

We ship to the lower 48 continental United States only at this time.

Shipping times and shipping method will depend on the specific product and brand you purchase. If you have any shipping question, feel free to ask on the chat or email us at info@offgridlivingsolutions.com.

We will send tracking information by email the same day the shipping tracking number is created/available.

Before you sign the shipping bill, please THOROUGHLY INSPECT YOUR ITEM. Signing for the receipt of a damaged product removes the liability of the shipping company and OffGrid Living. Once you accept your shipment as non-damage, your item is your property.

Delivery time

Shipping Timeline listed above is an estimate. Please call or message the web chat for precise ETAs.

EcoFlow RIVER 3 Max Plus Portable Power Station (RIVER 3 Plus + Extra Battery 600) (600W | 858Wh)

Description

- <10 ms pro-grade UPS for precision devices
600W rated output and 1200W X-Boost
- 2× runtime for <100W appliances
- Expandable up to 858Wh with a wire-free connection
- Compact and lightweight
- 1-hr fast charging, no battery damage
- Up to 220W fast solar charging
- <30 dB whisper quiet for 24/7 use

Your reliable companion through outages or in the wild.

Up to 600W output

RIVER 3 Plus is a beast in the small power station game, cranking out up to 600W of rated power. Its X-Boost technology can continuously handle 1200W heating devices without breaking a sweat, keeping 90% of home appliances running smoothly. With an additional built-in light, you'll never get left in the dark.

<10 ms pro-grade auto-switch

Seamless home office and gaming experience

The RIVER 3 Plus provides premium protection with a <10 ms switchover, safeguarding sensitive equipment for home office and gaming experiences against sudden power loss

Comprehensive UPS solution

Safeguard for work and play

Equipped with a 286Wh capacity and 600W output, RIVER 3 Plus can power a 3W Wi-Fi router for up to 35 hours. Plus, it can run pretty much any office appliance, including 600W computers for at least 21 minutes, allowing a safe shutdown and completion of ongoing tasks.

Smart outage alert

Stay alert during power outages with the RIVER 3 Plus, equipped with an LED, app, and software alerts. Its PC and NAS-compatible data interface, along with the EcoFlow software, notifies you and automatically saves data for you when the battery is low.

UPS-friendly design

With two rear AC outlets, conceal your device cables. Plus, monitor UPS in real time on the upgraded screen.

RIVER 3 Plus vs traditional UPS

Up to 2× light and network runtime

Easily handle power outages and extend outdoor stays

With groundbreaking X-GaNPower technology, the RIVER 3 Plus revolutionizes the industry with compact, quiet batteries designed for extended runtimes in small electronics. Leveraging GaN's superior energy efficiency, the RIVER 3 Plus delivers up to twice the operating time for light-wattage appliances, redefining portable power performance.

Extremely compact and lightweight

Handy, convenient on-the-go power

RIVER 3 Plus minimizes heat loss, requires less cooling space, and supports a compact design. It easily fits into small spaces like closets, a minivan, or a bag for easy storage and portability.

< 30 db whisper quiet for 24/7 backup

Quiet backup for peace day and night

With X-GanPower technology, from enhanced heat dissipation, RIVER 3 Plus operates on a library-like silence level, with a volume of less than 30 dB at a distance of 1.5 ft.² You'll have peace day and night guaranteed, even when it's running nonstop.

Expandable up to 858Wh with a wire-free connection

Adjust capacity for growing energy needs

Level up your power with RIVER 3 Plus with an Extra Battery. RIVER 3 Plus can handle either the EB300 (286Wh) or the EB600 (572Wh), Just stack them to get up to 858Wh of pure energy.

4 charging options, safely charge 0-100% in 1 hr

Quickly prepare for power outages and outdoor trips

4 charging options, safely charge 0-100% in 1 hr
AC charging
Solar Charging
Car charging
Generator charging

RIVER 3 Plus fast-charges in 1 hour with X-Stream, no battery damage with vehicle-grade cells and trickle charge technology.

A one-time investment that lasts for 10 years

Industry-leading intelligent battery protection

Waterproof, fireproof, and drop-resistant

With IP54 battery protection, water damage is minimized. Its robust fire-retardant shell survives rough conditions. Even after a 3 ft (1.5 m) fall, RIVER 3 Plus won't get damaged.

LiFePO4 cells, 10-year lifespan

RIVER 3 Plus has a lifespan of 3000 charging cycles. That's around 10 years of everyday use before its capacity drops to 80%.

X-Guard battery protection technology

Featuring an advanced algorithm for cloud-based battery monitoring with 40+ safety measures, RIVER 3 Plus protects against various current, voltage, temperature, and circuit risks.

Upgraded smart control

Convenient, intelligent, customized power control

Product Specifications

EcoFlow RIVER 3 Max Plus Portable Power Station (RIVER 3 Plus + Extra Battery 600) (600W | 858Wh) Product Specifications

Product Details

Battery

What's in the box

Product Manual

EcoFlow RIVER 3 Max Plus Portable Power Station

Product Warranty

EcoFlow Product Warranty

Please note that the warranty period may vary according to local laws and regulations. Some countries, states, and provinces do not allow limitations on how long an implied warranty may last, so the limitation described above may not apply to you. You may have other rights from state to state, province, or country.

DO NOT USE YOUR PRODUCTS UNTIL YOU HAVE READ THE TERMS OF THE WARRANTY.

All EcoFlow products purchased come with a limited warranty. BY USING ECOFLOW PRODUCTS, YOU AGREE TO BE BOUND BY THE TERMS OF THE ECOFLOW LIMITED WARRANTY.

The warranty period started when the original purchaser received the products.

Warranty extension 

You can extend the warranty for products purchased between January 1, 2022, and August 31, 2022, by registering on the official website on or before October 15, 2022. 

Warranty cannot be extended for products purchased before January 1, 2022.

Customers who have purchased products on or after September 1, 2022 will enjoy the warranty period (with warranty extension) listed in the table above. Customers are advised to complete registration as early as possible.

Exclusions and Limitations

This warranty does not apply:

  • Non-quality related issues;
  • Items purchased from unauthorized resellers;
  • Purchases without valid proof of purchase;
  • Items that have been refunded;
  • Items that have expired their warranty period;
  • Any defects or damages caused by misuse of products, unauthorized modification, dis-assembly or operation not in accordance with the official instructions or manuals;
  • Any defects or damages caused by exposure to excessive heat, liquids or other external causes;
  • Any defects or damages caused by reliability or compatibility issues when using unauthorized third-party parts;
  • Lost or stolen products;
  • Free products.

Cross-Regional After-Sales Service

EcoFlow does not provide a global product warranty, and the warranty service can only be obtained at a designated EcoFlow repair center.

To repair the product in an EcoFlow repair center when the product was purchased in another region, depending on part availability, customers can obtain a cross-regional repair service at an additional charge. (Some products do not support cross-regional repair even if the customer is willing to pay for the service. For more details, please contact EcoFlow Support.)

A cross-regional replacement service is not available for different versions of the same product.

The customer will need to bear customs duties, taxes, customs clearance, and other costs incurred for a cross-regional repair, regardless of whether it is the warranty or paid repair service. 

Product FAQs

Is EcoFlow RIVER 3 / RIVER 3 Plus waterproof?

The battery cells and BMS in EcoFlow RIVER 3 and RIVER 3 Plus support IP54 protection, providing extra peace of mind during use. However, the entire product is not waterproof.

Does EcoFlow RIVER 3 / RIVER 3 Plus support charging via USB-C?

EcoFlow RIVER 3 and RIVER 3 Plus support USB-C output up to 100W but do not support charging via USB-C. The EcoFlow RIVER 3 Plus Smart Extra Battery EB300 (286Wh) and EcoFlow RIVER 3 Plus Smart Extra Battery EB600 (572Wh) support both charging and discharging via USB-C up to 140W.

Does EcoFlow RIVER 3 / RIVER 3 Plus support connection to extra batteries?

EcoFlow RIVER 3: Not supported. EcoFlow RIVER 3 Plus: Can be expanded by connecting to EcoFlow RIVER 3 Plus Smart Extra Battery EB300 (286Wh) or EcoFlow RIVER 3 Plus Smart Extra Battery EB600 (572Wh).

What is the relationship between EcoFlow RIVER 3 Max, RIVER 3 Max Plus, and RIVER 3 Plus?

EcoFlow RIVER 3 Max consists of EcoFlow RIVER 3 Plus connected to the EcoFlow RIVER 3 Plus Smart Extra Battery EB300 (286Wh). EcoFlow RIVER 3 Max Plus consists of EcoFlow RIVER 3 Plus connected to the EcoFlow RIVER 3 Plus Smart Extra Battery EB600 (572Wh).

What are the main differences between EcoFlow RIVER 3 and RIVER 3 Plus?

  1. Output power: EcoFlow RIVER 3 Plus supports 600W output power, with X-Boost up to 1200W. EcoFlow RIVER 3 supports 300W output power, with X-Boost up to 600W. 2. Capacity: EcoFlow RIVER 3 Plus has a capacity of 268Wh, and RIVER 3 has a capacity of 245Wh. 3. Functionality: EcoFlow RIVER 3 Plus can be expanded by connecting to one EcoFlow RIVER 3 Plus Smart Extra Batteries: EB300 (286Wh) or EB600 (572Wh), increasing the capacity to 572Wh and 858Wh respectively. It also features a built-in light. EcoFlow RIVER 3 does not support extra battery connections and does not have a built-in light. 4. UPS functionality: EcoFlow RIVER 3 supports < 20 ms UPS. EcoFlow RIVER 3 Plus supports <10 ms UPS.

What is the standby power consumption for EcoFlow RIVER 3 / RIVER 3 Plus?

EcoFlow RIVER 3: AC standby power consumption ≤ 4W, DC standby power consumption ≤ 2W. EcoFlow RIVER 3 Plus: AC standby power consumption ≤ 5.5W, DC standby power consumption ≤ 2.3W.

Does EcoFlow RIVER 3 / RIVER 3 Plus support UPS?

EcoFlow RIVER 3 supports < 20 ms UPS, and EcoFlow RIVER 3 Plus supports < 10 ms UPS.

What is the warranty period for EcoFlow RIVER 3 / RIVER 3 Plus?

EcoFlow RIVER 3 comes with a 2-year warranty, while EcoFlow RIVER 3 Plus offers up to a 5-year warranty.

Does EcoFlow RIVER 3 / RIVER 3 Plus support bypass mode output?

In bypass mode, EcoFlow RIVER 3 supports AC output up to 300W while charging the battery. In bypass mode, EcoFlow RIVER 3 Plus supports AC output up to 600W while charging the battery.

What is the charging power in silent mode for EcoFlow RIVER 3 / RIVER 3 Plus?

You can enable silent mode in the app under Settings -> Input/Output Settings -> AC Charging Speed. In this mode, the AC charging power for EcoFlow RIVER 3 is reduced to below 50W, and for EcoFlow RIVER 3 Plus, it is reduced to below 80W, minimizing noise.

What type of battery is used in EcoFlow RIVER 3 / RIVER 3 Plus?

EcoFlow RIVER 3 and RIVER 3 Plus use LiFePO4 (LFP) cells, which remain over 80% capacity after 3,000 cycles.

Can EcoFlow RIVER 3 Plus Smart Extra Battery charge and discharge independently?

Yes, it supports up to 140W of bidirectional USB-C charging and discharging.

How long is the battery life of EcoFlow RIVER 3 Plus?

The battery life varies depending on the devices being powered. In laboratory tests, EcoFlow RIVER 3 Plus can power a 3W wi-fi router for up to 35 hours and a 600W PC for up to 21 minutes. These figures are for reference only.

How long does it take to charge EcoFlow RIVER 3 Plus?

AC charging: It charges from 0% to 80% in as fast as 43 minutes, and from 0% to 100% in 60 minutes. Car charging: It charges from 0% to 80% in as fast as 2.5 hours, and from 0% to 100% in 3.3 hours. Solar charging: It charges from 0% to 80% in as fast as 1.2 hours, and from 0% to 100% in 1.5 hours. *These figures are based on laboratory testing data, and actual charging duration may vary depending on environmental conditions.

Can EcoFlow RIVER 3 Plus be connected to multiple extra batteries?

No, it can only connect to one extra battery.

How long is the battery life of EcoFlow RIVER 3?

The battery life varies depending on the devices being powered. In laboratory tests, EcoFlow RIVER 3 can power a 3W Wi-Fi router for up to 30.8 hours, a 9W light for up to 17 hours, an 18W monitor for up to 10.5 hours, and a 31W air purifier for up to 6.6 hours. These figures are for reference only.

How long does it take to charge EcoFlow RIVER 3?

AC charging: It charges from 0% to 80% in as fast as 43 minutes, and from 0% to 100% in 60 minutes. Car charging: It charges from 0% to 80% in as fast as 2.1 hours, and from 0% to 100% in 2.8 hours. Solar charging: It charges from 0% to 80% in as fast as 2.3 hours, and from 0% to 100% in 2.6 hours. *These figures are based on laboratory testing data, and actual charging duration may vary depending on environmental conditions.