Skip to content
Availability:
in stock, ready to be shipped
by EcoFlow

Ecoflow - RIVER 3 Max Plus (RIVER 3 Plus +Extra Battery 600)

Sale Sale
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
SKU EFRIVER3MaxPlus-US-CBOX

Description

Pro-Grade Backup Power for Home and Outdoors

The RIVER 3 Plus delivers dependable backup power whether you're at home or off the grid. Designed for reliability and portability, it provides professional-grade UPS performance in a compact form.

600W Output with X-Boost Performance

With a 600W-rated output and 1200W X-Boost capability, the RIVER 3 Plus can power up to 90% of essential home devices, including many small heating appliances. A built-in light ensures visibility during emergencies.

<10 ms Auto-Switch for Sensitive Electronics

Enjoy uninterrupted home office, gaming, or creative work. The RIVER 3 Plus switches to battery power in under 10 ms, protecting PCs, monitors, NAS devices, and other sensitive equipment from sudden outages.

Reliable UPS Support for Work and Entertainment

Equipped with 286Wh capacity and 600W output, it can run a 3W Wi-Fi router for up to 35 hours and a 600W desktop setup for at least 21 minutes, enough time for safe shutdown or task completion.

Smart Outage Alerts and Backup Tools

Stay informed with LED indicators, app notifications, and PC/NAS-compatible software alerts. When battery levels run low, the system automatically safeguards data to prevent loss.

UPS-Friendly Design

Rear AC outlets keep your cables neatly managed, while the upgraded display provides real-time UPS monitoring and essential status details.

Longer Runtime with X-GaNPower Technology

Breakthrough X-GaNPower technology boosts energy efficiency, offering up to 2× longer runtime for low-watt devices. Enjoy quieter, cooler, and more efficient power during outages and outdoor activities.

Ultra-Compact and Portable

Thanks to improved heat management, the RIVER 3 Plus stays cool with minimal airflow, enabling a compact, lightweight design that fits easily into bags, closets, cars, or RV cabinets.

Whisper-Quiet Operation

Operating at under 30 dB from 1.5 ft away, it provides silent power around the clock, ideal for bedrooms, home offices, or nighttime use.

Expandable Capacity Up to 858Wh

Increase your energy storage with wire-free modular batteries, EB300 (286Wh) or EB600 (572Wh). Stack them to reach up to 858Wh for longer backup time or outdoor trips.

Fast and Flexible Charging Options

Recharge from 0–100% in 1 hour via X-Stream AC charging. Supports multiple charging methods:

  • AC charging

  • Solar charging (up to 220W)

  • Car charging

  • Generator charging

Built for a Decade of Use

Featuring LiFePO4 batteries rated for 3000 cycles, the RIVER 3 Plus offers around 10 years of everyday use before hitting 80% capacity. IP54 protection keeps the battery safe from dust and water spray.

Durable, Fire-Resistant, and Impact-Protected

A rugged, fire-retardant shell and reinforced construction protect the unit from drops up to 1.5 m (3 ft). Advanced X-Guard protection uses 40+ safety measures and cloud-based monitoring to prevent damage from voltage, temperature, and current irregularities.

Smart Control and Customization

Use the EcoFlow app and software to monitor your power usage, adjust settings, manage charging modes, and optimize performance for home or travel.

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


Product Details



What's in the Box 

 

Specificatons

Capacity: 286Wh
Net Weight: 10.4 lb
Dimensions: 9.2 × 9.1 × 5.8 in
Battery Chemistry: LiFePO₄, 3000 cycles to 80%
UPS: <10 ms
Noise: <30 dB

AC Output: 3 outlets, 600W total (Surge/X-Boost 1200W)
USB-A Output: 2 ports, 5V=2.4A per port, 12W max each
USB-C Output: 1 port, up to 100W max
Car Output: 12.6V, 10A, 126W max

AC Input: 100–120V, 10A Max, 380W, 0–100% in 60 min
Solar Input: 220W, 0–100% in ~1.5 hours
Car Input: 220W, 11–55V, 0–100% in ~3.3 hours
Generator Input: 100–120V, 10A Max, 380W, 0–100% in 60 min

Optimal Operating Temperature: 68°F–86°F
Charging Temperature: 32°F–113°F
Discharge Temperature: 14°F–113°F
Storage Temperature: 68°F–86°F


Warranty

Warranty Policy – King of Generators

At King of Generators, we are committed to ensuring you have a seamless experience with your purchase. Below is an overview of the EcoFlow warranty policy to help you understand coverage and how to make a warranty claim through King of Generators support.

 


 

Warranty Period Overview

EcoFlow provides a limited warranty on its products, starting from the date of purchase. The warranty period varies by product type:

  • DELTA Series & RIVER Series: 1–5 years (depending on model)

  • Solar Panels: 12 months to 10 years

  • Accessories: 12 months

  • Smart Generators: 1–3 years

For detailed coverage, refer to the product-specific warranty on EcoFlow’s official website or contact King of Generators support.

 


 

What’s Covered?

  • Free repairs or replacements for defects in materials or workmanship

  • Warranty extensions available for select products upon registration on EcoFlow’s website

 


 

What’s Not Covered?

The warranty does not cover:

  • Damage due to misuse, unauthorized modifications, or external factors (e.g., water, weather)

  • Products purchased from unauthorized sellers or without valid proof of purchase

  • Products used outside the intended region or incompatible with local power standards

Note: EcoFlow products are designed for use in the U.S. Warranty claims for malfunctions due to use outside the country may not be covered.

 


 

How to Make a Warranty Claim

If you experience any issues, please contact King of Generators support to initiate a warranty claim.

📞 Phone: (855) 799-2943
📧 Email: info@kinggenerators.com

Our team will assist you with the claim process, including verifying your purchase, troubleshooting the issue, and coordinating with EcoFlow for repair or replacement.

Once approved, we will provide further instructions, including shipping details and estimated resolution time.

 


 

For any questions regarding warranty coverage, feel free to contact King of Generators support. We're here to help!

In Stock ready to ship

All order are processed with 24-48 hours

FAST & FREE SHIPPING

All orders are shipped free

Multi-channel Support

Our dedicated team offers responsive support