EcoFlow - River 3 Plus Smart Extra Battery 300EB (286 Wh Capacity) - Black

Extend your power capacity with the EcoFlow RIVER 3 Plus Smart Extra Battery. Designed for seamless integration with the RIVER 3 Plus, this modular battery boosts your total energy storage, making it ideal for outdoor adventures, emergency backup, or off-grid use. Lightweight, compact, and easy to attach — stay powered for longer, wherever you go.

Expandable up to 858Wh

Level up your RIVER 3 Plus with an Extra Battery. Choose the EB300 (286Wh) and simply stack it at a time to achieve up to 572Wh of pure energy.

Adds an extra charging and recharging option

Looking to charge more devices or conveniently power your RIVER 3 Plus via USB-C? Adding this extra battery expands its capacity and significantly enhances its versatility with an extra 140W USB-C port, offering the RIVER 3 Plus a new charging and recharging option. With the USB-C port, the Extra Battery also provides the freedom to use it independently.

Hassle-free connection

Utilizing Pogo Pin tech, the batteries connect wirelessly, fastening easily with clips instead of cables or screws.

Lightweight at only 7.7 lb

Weighing just 7.7 lb, the EB300 is lighter than the RIVER 3 Plus. It is lightweight, with a compact design and USB-C input and output port, making the extra battery highly convenient for on-the-go use. The Extra Battery offers the perfect solution for short outdoor trips with minimal devices to expand your possibilities.

10-year lifespan with an LFP battery

The Extra Battery features the same LPF battery technology and offers a 5-year warranty, just like the RIVER 3 Plus. This ensures worry-free usage for up to 10 years, giving you peace of mind and long-lasting performance.