Power without limits, ready when you need it. The EcoFlow RIVER 3 Plus Extra Battery (EB300) is the smart expansion for your portable power setup, built to extend your adventures, emergencies, and everyday productivity with confidence. By delivering an additional 286Wh to your River 3 Plus, this compact module keeps your essentials charged longer, so you can focus on the moment instead of the outage.
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Expanded energy reserve: Adds 286Wh of extra capacity to your River 3 Plus, dramatically increasing runtime for devices you rely on.
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Lightweight & compact: Designed for effortless portability, so you can carry and deploy power where you go—camping, road trips, or remote work sites.
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Plug-and-play integration: Seamless, tool-free connection with the River 3 Plus system for quick setup and instant compatibility.
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Efficient power transfer: Engineered for fast, reliable energy delivery, minimizing downtime and maximizing uptime during extended use.
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Reliable safety in a compact form: Built to work smoothly with your River 3 Plus, preserving battery health and ensuring stable performance.
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Modular power ecosystem: Part of EcoFlow’s scalable system, enabling you to tailor power capacity to your needs as they evolve.
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Versatile for any scenario: Ideal for outdoor adventures, camping, off-grid access, emergency preparedness, and long work sessions away from outlets.
With the EB300 attached, your River 3 Plus becomes a more capable power hub. The design prioritizes a slim, portable footprint without compromising capacity, so you can pack more energy into the same space. This means you can keep smartphones charged for longer, power laptops for productive remote work, run cameras for extended shoots, and light your environment with dependable battery support—even when outlets are scarce. The EB300’s integration is purpose-built for speed: you’ll experience quick replenishment times that keep you moving, whether you’re halfway through a mountain hike or in the middle of a critical outdoor project.
In practice, the EB300 dramatically increases your operational window. The extra 286Wh translates to more sessions between charges, reducing the need to hunt for power sources on your trip. It’s an essential upgrade for anyone who refuses to compromise on performance when off-grid or during unexpected outages. The combination of the River 3 Plus and EB300 delivers a cohesive, efficient power solution that respects your time and your devices.
What makes this combination especially compelling is its balance of performance and practicality. The EB300 is purpose-built to align with EcoFlow’s reliability standards, providing a smooth and predictable power experience. Whether you’re charging a phone, streaming on a laptop, or running essential devices for work or safety, the extended capacity delivers the reassurance that power will be there when you need it most. It’s not just about more watts; it’s about more freedom—the freedom to plan longer trips, tackle bigger tasks, and respond to unexpected opportunities without worrying about running out of juice.
Specifications
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Energy Capacity: 286Wh
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Model: EB300 Extra Battery
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Compatibility: Designed to pair with EcoFlow River 3 Plus
Upgrade your portable power system today. Add the EcoFlow RIVER 3 Plus Extra Battery EB300 to your cart and unlock extended runtimes, faster top-ups, and a more dependable power supply for your most demanding adventures and projects. Power brighter, go farther, and stay productive with EcoFlow.
