While we offer shipping for EcoFlow products to Hawaii, Alaska, and Puerto Rico, please note that EcoFlow does not provide official after-sales services, warranty coverage, or technical support in these regions. For any service-related inquiries regarding EcoFlow products shipped outside the U.S. mainland, please contact Wellbots directly. We recommend purchasing a CPS Accidental Warranty to protect your purchase when shipping to these locations, as it will ensure coverage in the event of damage or defects. Wellbots is solely responsible for all customer service, warranty claims, and support related to shipments to these regions.
EcoFlow RIVER 3 Plus 300wh Extra Battery
Elevate your portable power game with the EcoFlow RIVER 3 Plus Extra Battery 300 (EB300). Designed to expand your energy reserves, this lightweight and compact battery delivers an additional 286Wh to your RIVER 3 Plus, ensuring you’re ready for extended adventures, outdoor work, or emergency backups. With its standalone 140W USB-C port, the EB300 offers incredible flexibility for direct charging and recharging, eliminating the need for the main unit during short trips.
Extended Power Anytime, Anywhere
Adds 286Wh to your RIVER 3 Plus, letting you power more devices for longer durations during camping trips or power outages.
Independent Charging Freedom
Use the built-in USB-C port for standalone charging and recharging, giving you a portable power hub even without the main unit.
Plug-and-Play Convenience
Set up in seconds with Pogo Pin technology-no need for cables or screws. Simply clip it on, and you’re good to go.
Durable Longevity
Built with advanced LFP battery technology, the EB300 delivers 3,000 cycles to 80% capacity, lasting up to 10 years with a 5-year warranty for added peace of mind.
Compact and Lightweight
Weighing only 7.7 lbs and compactly designed, it’s easy to carry and store, making it a perfect companion for travel and outdoor adventures.
Specifications
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Capacity: 286Wh
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Dimensions: 9.2 x 8.8 x 4.3 in
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Net Weight: 7.7 lbs
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Battery Chemistry: LiFePO4, 3,000 cycles to 80% capacity
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USB-C Output: 1 port, 5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max, 140W Max
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USB-C Input: 5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max, 140W Max
What’s In The Box
1 x EcoFlow RIVER 3 Plus 600wh Extra Battery
1 x Manual
