EcoFlow River 3 Plus EB300 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.

Lightweight at only 3.5 kg

Use the Extra Battery independently to lighten your load

Weighing just 3.5 kg, the EB300 is light and compact with an extra USB-C input and output port, perfect for on-the-go or short outdoor trips.

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. 

What are the benefits of EcoFlow River 3 Plus EB300 Extra Battery ?

• Expands battery capacity for longer usage and more device charging.

• Adds a 140 W USB-C port for fast charging and recharging.

• Can be used independently as a portable power source.

• Lightweight design (3.5 kg) for easy portability.

• Compact and ideal for travel or outdoor use.

• Long lifespan with LFP battery technology (up to 10 years).

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/15V⎓3A Max, 20V/28V⎓5A Max, 140W Max

USB-C Input

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