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The EcoFlow RIVER 3 Max bundle pairs the RIVER 3 Plus power station with an EB300 extra battery and a 160W solar panel, giving 572Wh of LiFePO₄ storage and 600W AC output (1200W with X-Boost). It suits campers, RVers and homeowners who want a compact, expandable solar setup with fast AC charging and a sub-10ms UPS mode. Compared with the plain RIVER 3 Plus, the extra battery doubles capacity without adding a second unit, and the LiFePO₄ cells outlast typical NMC rivals. Owners like the app control and port selection but note the bundle is heavier and solar charging is slower than AC.
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Lowest price we've seen: $399.00 on Nov 11 at Amazon. Tracked across 1 store since Nov 11.
Reviewers praise the RIVER 3 Max for its fast AC charging, solid build and expandable LiFePO₄ capacity. They find the app useful but sometimes buggy, and note that solar recharging with the included 160W panel is slow. Most agree it is a reliable compact power station for its size.
This bundle pairs the EcoFlow RIVER 3 Plus portable power station with an EB300 smart extra battery and a 160W solar panel. Together the two batteries provide 572Wh of capacity, and the power station delivers 600W of AC output. X-Boost raises AC output to as much as 1200W.
The battery uses LiFePO₄ cells and is expandable. The power station accepts up to 220W of solar input, and the included 160W panel allows off-grid charging. It also charges quickly from an AC outlet. A UPS function switches over in under 10ms to back up compatible devices.
With the EB300 connected, the 140W USB-C port provides additional charging. The power station connects by Wi-Fi and Bluetooth, so it can be controlled through the app. It can be used for camping, RV trips, outdoor activities and essential home backup power.
