Description
EcoFlow RIVER 3 Plus Extra Battery
Increase your RIVER 3 Plus capacity up to 858Wh, giving you longer runtimes wherever you go. Choose between two extra battery options, EB300 (286Wh) or EB600 (572Wh), to match your power needs. Gain an additional 140W USB-C port that supports both input and output. Enjoy fast, tool-free setup with a Pogo Pin connection, and use the extra battery as a lightweight, standalone power source when needed.
Expandable up to 858Wh with 2 Extra Battery Options
Adjust your power capacity effortlessly with either the EB300 (286Wh) or EB600 (572Wh). Stack one battery at a time to reach a total of 858Wh, offering flexible energy upgrades as your requirements grow.
Adds an Extra Charging and Recharging Option
Boost versatility with an additional 140W USB-C port, ideal for powering devices or recharging your RIVER 3 Plus. Since the port supports input and output, the extra battery can also function independently for quick, portable power.
Hassle-Free Connection
Thanks to Pogo Pin technology, the battery connects instantly, no cables, screws, or installation tools required. Just align, click, and power up.
Lightweight at only 7.7 lb
Use the extra battery on its own to reduce weight during short trips. The 7.7 lb EB300 is lighter than the main unit and includes a USB-C input/output port, making it a compact, efficient power option for minimal gear setups.
10-Year Lifespan with LFP Battery
Built with long-lasting LiFePO4 cells, the extra battery delivers up to 3000 cycles to 80% capacity and includes a 5-year warranty, matching the durability and reliability of the RIVER 3 Plus.
Specifications
Extra Battery 300 Specs
Capacity: 286Wh
Dimensions: 9.2 × 8.8 × 4.3 in
Net Weight: 7.7 lb
Battery Chemistry: LiFePO4, 3000 cycles to 80% capacity
USB-C Output: 5V/9V/12V/15V ⎓ 3A max; 20V/28V ⎓ 5A max (140W max)
USB-C Input: 5V/9V/12V/15V ⎓ 3A max; 20V/28V ⎓ 5A max (140W max)
Extra Battery 600 Specs
Capacity: 572Wh
Dimensions: 9.2 × 8.8 × 6.2 in
Net Weight: 12.8 lb
Battery Chemistry: LiFePO4, 3000 cycles to 80% capacity
USB-C Output: 5V/9V/12V/15V ⎓ 3A max; 20V/28V ⎓ 5A max (140W max)
USB-C Input: 5V/9V/12V/15V ⎓ 3A max; 20V/28V ⎓ 5A max (140W max)
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:
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DELTA Series & RIVER Series: 1–5 years (depending on model)
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Solar Panels: 12 months to 10 years
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Accessories: 12 months
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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?
What’s Not Covered?
The warranty does not cover:
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Damage due to misuse, unauthorized modifications, or external factors (e.g., water, weather)
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Products purchased from unauthorized sellers or without valid proof of purchase
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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!
