Ecoflow - RIVER 3 Max Plus (RIVER 3 Plus +Extra Battery 600)
SAVE! 3–5% with bank transfer on orders over $5,000
SAVE! 3–5% with bank transfer on orders over $5,000
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.
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.
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.
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.
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.
Rear AC outlets keep your cables neatly managed, while the upgraded display provides real-time UPS monitoring and essential status details.
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.
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.
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.
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.
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
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.
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.
Use the EcoFlow app and software to monitor your power usage, adjust settings, manage charging modes, and optimize performance for home or travel.












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
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.
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.
Free repairs or replacements for defects in materials or workmanship
Warranty extensions available for select products upon registration on EcoFlow’s website
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.
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!