Double the battery capacity! 

The smart extra batteries are easy to connect with the main unit of EcoFlow Delta Pro 3. Enjoy a seamless, plug-and-play setup. The compact and portable design adds convenience to your power management. Expandable up to 12kWh for increased capacity.

• Power almost all your essential home appliances with the robust 4000W and dual 120V/240V capabilities of a single unit. Add extra batteries to extend convenience even further.
• The battery can be used in a wide temperature range – from -10 to +45 degrees Celsius.
• Smart Extra battery is designed for 4000 charging cycles or at least 11 years of use.