Additional lithium-ion battery for EcoFlow Delta Pro. Double or triple the capacity of Delta Max by connecting 1 or 2 additional batteries with each capacity 3600Wh (weight 38Kg). 3500 charging cycles with capacity at 80%.

Expandable Capacity: This additional battery connects to a DELTA Pro to double the total capacity up to 7200Wh. Connect two batteries to the DELTA Pro to get an impressive 10.8kWh of power for off-grid use.

Convenient Charging: Charging via solar panels, AC outlets, EV charging stations or our Smart Generator is easy. Connect the extra battery to the DELTA Pro to charge and discharge in tandem.

More Watt-Hours for Home Use: When connected to DELTA Pro, the additional battery can be integrated into the home wiring. These batteries have become an integral part of the best emergency power and home peak shaving solutions.

Emergency Ready: This extra battery can be charged directly from the EcoFlow Smart Generator outdoors, giving you another alternative in case of emergencies.

LCD Display: The built-in display shows the same information about battery percentage, remaining charging time, remaining hours and more. You can check the battery status wherever you are with the EcoFlow app.

*Note: This product is for use with the EcoFlow DELTA Pro portable power station only.