Overview

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.

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Highlight differences

Feature	VIEWING EcoFlow - River 3 Plus Smart Extra Battery 300EB (286 Wh Capacity) - Black	LOWEST PRICE IN THIS TABLE EcoFlow - TRAIL 200 DC Portable Power Station (192 Wh Capacity) with Camping Light - Black	Fremo - X800 Portable Power Station (512 Wh Capacity) - Gray	Fremo - X1200 Portable Power Station (1024 Wh Capacity) - Gray
Price	$167.19	$119.99	$399.99	$639.99
Capacity	286 watt hours	192 watt hours	512 watt hours	1024 watt hours
	This product	View details	View details	View details

Included manufacturer warranty

See manufacturer documentation.

Register your product with the manufacturer within 30 days of delivery.

Warranty service

Manufacturer warranty claims are handled by the manufacturer. We are happy to help you find the right contact: (888) 419-6820.

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