Expandable capacity This add-on battery connects with a DELTA Pro to double total capacity to 7200Wh. Connect two of them to DELTA Pro for a staggering 10.8kWh to use off-grid.
Convenient recharging Recharging from solar panels, AC outlets, EV charging stations, or our Smart Generator is easy. Plug the Extra Battery into DELTA Pro and they will recharge and discharge in tandem.
More watt-hours at home The Extra Battery can be integrated to your home’s wiring when connected to DELTA Pro. These battery units become part of your home’s peak shaving and emergency power solutions.
Ready for emergencies This Extra Battery can recharge directly from EcoFlow’s Smart Generator outdoors, giving you another option for emergencies.
LCD screen Get all the same info about battery percent, remaining recharge time, hours left, and more on the built-in screen. You can check the battery’s status anywhere from the EcoFlow app.
You Could Apply for 30% Tax Credit*, When You Install DELTA Pro as a Home Power Solution Learn more
*Qualifying battery storage technology of 3kWh or more must be installed by a connection to a dwelling in the United States, lived in by the taxpayer. You should always consult your tax professional to determine your eligibility for the Residential Clean Energy Credit under Section 25D of the Internal Revenue Code given your individual situation. EcoFlow does not guarantee any tax credit based on our products, and any information we provide is for educational purposes only and should not be considered legal advice. It does not constitute professional tax advice or financial guidance. It should not be used as the only source of information when making purchasing decisions, investment decisions, tax decisions, or execution. Consult a tax professional to evaluate your eligibility.
1.DELTA Pro Smart Extra Battery
2.DELTA Pro Extra Battery Cable
Order shipment preparation takes 3 days. Once shipped orders usually takes 5-8 days to be delivered. These are estimations; delivery can be delayed for reasons beyond our control. You can always contact us to know the exact delivery time once you placed an order with us. Have a look at our shipping policy here.