EcoFlow RIVER Pro Extra Battery

EcoFlow RIVER Pro Extra Battery - 720Wh to 1440Wh • DOUBLE CAPACITY FROM 720Wh to 1440Wh • POWER A WIDE RANGE OF APPLIANCES • COMPACT AND PORTABLE 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 performan