Expand Your RIVER 3 Plus Power with Flexible Battery Options

Expandable up to 858Wh – increase the runtime of your RIVER 3 Plus for longer use
Two Battery Options Available – choose EB300 (286Wh) or EB600 (572Wh) based on your needs
Wireless Pogo Pin Connection – fast cable-free setup with no screws required
Extra 140W USB-C Input & Output – more charging flexibility for devices and accessories
Use Independently – carry the extra battery separately to reduce load when needed
Compact Matching Design – easy to store, transport, and pair with RIVER 3 Plus
Ideal for Travel & Backup – great for camping, apartments, road trips, and outages

Why Choose RIVER 3 Plus Smart Extra Battery

The EcoFlow RIVER 3 Plus Smart Extra Battery is the easiest way to boost the runtime of your RIVER 3 Plus portable power station. With two capacity choices, cable-free connection, and added USB-C charging options, it gives you more flexibility without upgrading to a larger unit.

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Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.

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Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.

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