EcoFlow RIVER 3 Plus Smart Extra Battery

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✓ EcoFlow Authorized Dealer · 5-Year Warranty · Free Shipping to the US

- Expand the capacity of the RIVER 3 Plus to up to 858Wh.
- Choose from two extra battery models to fit your needs: EB300 (286Wh) or EB600 (572Wh).
- An additional 140W of USB-C input and output option.
- Enjoy a wireless Pogo Pin connection—no cables or screws required.
- Reduce your load by using the Extra Battery independently.

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Selection Summary

300EB
300EB $159.00$209.00
USD $159.00$209.00 -$50.00

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Add accessories to your order

Expandable up to 858Wh with 2 Extra batteries options

Adjust capacity for growing energy needs

Level up your RIVER 3 Plus with an Extra Battery. Choose either the EB300 (286Wh) or the EB600 (572Wh), and simply stack one at a time to achieve up to 858Wh of pure energy.

EcoFlow RIVER 3 Plus Extra Battery

Adds an extra charging and recharging option

More possibilities, more flexibility

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.

EcoFlow RIVER 3 Plus Extra Battery

Hassle-free connection

Plug-and-play within seconds

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

EcoFlow RIVER 3 Plus Extra Battery

Lightweight at only 7.7 lb

Use the extra battery independently to lighten your load

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.

EcoFlow RIVER 3 Plus Extra Battery

10-year lifespan with an LFP battery

A one-time investment that lasts for 10 years

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.

EcoFlow RIVER 3 Plus Extra Battery

Extra Battery 300

Specs

Capacity

286Wh

Dimensions

9.2 x 8.8 x 4.3 in

Net Weight

7.7 lb

Battery Chemistry

LiFePO4, 3000 cycles to 80% capacity

USB-C Output

1 port, 5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max, 140W Max

USB-C Input

5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max, 140W Max

Extra Battery 600

Specs

Capacity

572Wh

Dimensions

9.2 x 8.8 x 6.2 in

Net Weight

12.8 lb

Battery Chemistry

LiFePO4, 3000 cycles to 80% capacity

USB-C Output

1 port, 5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max, 140W Max

USB-C Input

5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max, 140W Max