This additional battery connects to a DELTA Pro to double the total capacity to 7200 Wh. Connect two of these to the DELTA Pro for an astounding 10.8 kWh for off-grid use.

Convenient Recharging: Recharging from solar panels, AC outlets, EV charging stations, or the Smart Generator is easy. Connect the extra battery to the DELTA Pro and they will recharge and discharge simultaneously.

More kW at Home: The extra battery can be integrated into your home's wiring when connected to the DELTA Pro. These battery units become part of your home's peak shaving and emergency power solutions.

Ready for Emergencies: This extra battery can be recharged directly from EcoFlow's Smart Generator outdoors, giving you another option for emergency situations.

LCD Screen: Get all the information about battery percentage, remaining recharge time, hours left, and more on the built-in screen. You can check the battery status anywhere from the EcoFlow app.