EcoFlow RIVER 3 PLUS Smart 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 gives you the freedom to use it independently.

Adjust capacity for growing energy needs
Expand the capacity of the RIVER 3 Plus to up to 858Wh.

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.

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 gives you the freedom to use it independently.

Lightweight at only 3.5 kg
Use the Extra Battery independently to lighten your load

Weighing just 3.5 kg, the EB300 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
A one-time investment that lasts for years

The Extra Battery features the same LPF battery technology as RIVER 3 Plus. And, with a 5-year warranty, you’ll get peace of mind and long-lasting performance.

SPECIFICATIONS – Extra Battery 300:

• Capacity: 286Wh
• Dimensions: 234 224 110 mm
• Net Weight: 3.5 kg
• Battery Chemistry: LiFePO4, 3000 cycles to 80% capacity
• USB-C Output: 1 port, 5V/9V/12V/15V3A max, 20V/28V5A max, 140W max
• USB-C Input: 5V/9V/12V/15V3A max, 20V/28V5A max, 140W max

SPECIFICATIONS – Extra Battery 600:

• Capacity: 572Wh
• Dimensions: 234 224 158 mm
• Net Weight: 5.8 kg
• Battery Chemistry: LiFePO4, 3000 cycles to 80% capacity
• USB-C Output: 1 port, 5V/9V/12V/15V3A max, 20V/28V5A max, 140W max
• USB-C Input: 5V/9V/12V/15V3A max, 20V/28V5A max, 140W max