DOUBLE CAPACITY FROM 288Wh TO 576Wh The EcoFlow RIVER Extra Battery is designed to integrate with EcoFlow RIVER to increase the energy capacity of the unit. You can easily double the capacity of the EcoFlow RIVER from 288Wh to 576Wh by attaching the EcoFlow RIVER Extra Battery to the main model. The EcoFlow RIVER Extra Battery CANNOT be used alone. You will need to install the module on EcoFlow RIVER to use.
- EcoFlow RIVER + EXTRA BATTERY = EcoFlow RIVER MAX After integrating the Extra Battery to EcoFlow RIVER, you will get the EcoFlow RIVER Bundle which is monitored and managed as a whole by the BMS of the main model. It provides a cost-effective solution to upgrade your EcoFlow RIVER in terms of storage. With a capacity of 576Wh, the EcoFlow RIVER Bundle provides enough juice to run essential devices for hours, depending on the actual output.
- RECHARGE FROM 0% TO 80% WITHIN 1 HOUR With the EcoFlow patented X-Stream Technology, the smart inverter enables a fast rechargeability that takes less than 1 hour to charge from 0%-80%, and it gets fully charged in 1.6 hours. You can switch to a quieter charging condition by turning on the “Quiet Charging” status on the APP.
- COMPATIBLE WITH 80% HOME APPLIANCES The X-Boost Technology’s advanced built-in algorithm enables most heavy-duty kitchen appliances and tools (up to 1800W) to operate. With X-Boost, EcoFlow RIVER Max can power 80% of essential home appliances and devices, especially those within 1200W for a better using experience. The discharging rates and X-Boost mode can be

Compact and portable, EcoFlow RIVER is an ideal recreational power which gives you the accessibility to handy wall outlets. EcoFlow RIVER is the perfect companion for camping, overlanding, tailgating, boating, etc. Feel free to attach and detach the Extra Battery to meet your needs now and later.
How to install EcoFlow RIVER Extra Battery?


Note: It is not recommended to use the RIVER series power station to power heavy-duty devices e.g., air conditioners, ovens or washing machines.
Please conduct full test on a case-by-case basis to confirm the X-Boost feature works with your appliances.
Warning: DO NOT use RIVER series portable power station AC charging cables on DELTA series power stations. EcoFlow takes no responsibilities for any damages caused by customers' failure to follow instructions. Doing so will void the warranty.