The Top Selling EcoFlow RIVER Pro Extra Battery doubles the capacity of the EcoFlow RIVER Pro from 720Wh to 1440Wh, giving you the freedom to customize your power for any adventure.

The RIVER Pro weighs just 15.9 lbs and the RIVER Pro Extra Battery weighs 15.4 lbs, making them both portable and easy to transport. The RIVER Pro + Extra Battery can easily fit in a car trunk, on a campsite, or indoors, giving you the power to take your adventure anywhere.

DOUBLE CAPACITY FROM 720Wh to 1440Wh: The RIVER Pro Extra Battery attaches to the RIVER Pro to double the capacity of the unit from 720Wh to 1440Wh. This provides a cost-effective way to upgrade the RIVER Pro's capacity.

POWER A WIDE RANGE OF APPLIANCES: The RIVER Pro can power devices up to 1800W with X-Boost, which lets you power around 80% of home appliances and DIY tools. Use devices below 1200W for the best product use.

COMPACT AND PORTABLE: The RIVER Pro weighs just 15.9 lbs. and the RIVER Pro Extra Battery weighs 15.4 lbs., making them both portable and easy to transport. The RIVER Pro + Extra Battery can easily fit in a car trunk, on a campsite, or indoors, giving you the power to take your adventure anywhere.

*Please NOTE: This item is not compatible with the Kickstarter R600 Pro.

How to Connect the RIVER Pro Extra Battery to the RIVER Pro

1. Power off BOTH the RIVER Pro and RIVER Pro Extra Battery before attempting to connect them together.

2. Open the Power Expansion Port cover on RIVER Pro to access the Power Expansion Port. Connect the Expansion Power Cable to the RIVER Pro Expansion Power Port. Tighten the screws on the Expansion Power port securely.

3. Open the Expansion Port Cover of the RIVER Pro Extra Battery to access the Expansion Power Port. Connect the free end of the Expansion Power Cable to the RIVER Pro Extra Battery Power Expansion Port. Tighten the screws on the Expansion Power port securely.

4. Turn on the power button of the RIVER Pro or RIVER Pro Extra Battery. Fully charge the devices for the first time and ensure the voltage is consistent to maximize the performance. If the display of the RIVER Pro shows the Extra Battery Icon, the connection is successful.

What Can the EcoFlow RIVER Pro Extra Battery Can Power?

EcoFlow RIVER Pro Extra Battery Specifications

General Info

• Net Weight: 16.0 lbs. (7.3kg)
• Dimensions: 11.3 x 7.1 x 8.3 in (28.8 x 18 x 21 cm)
• Charge Temperature: 32-113°F +/- 5°F (0-45°C +/- 3°C)
• Discharge Temperature: -4-113°F +/- 5°F (-20-45°C +/- 3°C)
• Color: Black
• Warranty: 24 months
• Testing and certification: UL CE FCC RoHS RCM

Outputs

• Expansion Power Port: 24.4V - 33.6V, 720W Max

Input

• Expansion Power Port: 33.6V, 660W Max

Battery Info

• Capacity: 720Wh (28.8V)
• Cell Chemistry: Lithium-ion
• Cell Type: 18650
• Shelf Life: 1 year (after fully charged)
• Life Span: 800 Cycles to 80%+ capacity

What's In The Box

• 1 x EcoFlow RIVER Pro Extra Battery
• 1 x Expansion Power Cable
• 1 x User Manual

Can I use the EcoFlow RIVER Pro Extra Battery with other products?

You can only connect one EcoFlow RIVER Pro Extra Battery to one EcoFlow RIVER Pro power station. The RIVER Pro Extra Battery is not designed for use with any other power stations. If you wish to purchase an Extra Battery for the RIVER, please purchase the RIVER Extra Battery (sold separately at the EcoFlow Online Store).

How do I store the RIVER Pro Extra Battery?

Please store the RIVER Pro Extra Battery in a dry place and avoid direct contact with water. If you wish to store the battery for a long time, please charge it to 30-50%, turn off the main switch, and store it at room temperature to extend the battery life.