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EcoFlow DELTA Pro Smart Extra Battery

Usual price €2.999,00
Usual price Selling price €2.999,00
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That additional battery connects with a DELTA Pro to double its total capacity, bringing it to 7200Wh. Connect two and get an impressive 10.8KWh capacity for off-grid use.

Note: This product is exclusively connectable with an EcoFlow DELTA Pro.


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.

*Note: This product is exclusively for the EcoFlow DELTA Pro portable power station.

cell chemistry


The duration of the conversation

one year (after full charge)





Life cycle

80% of original capacity remaining after 3,500 cycles (50% after 6,500 cycles)


63.5 x 28.5 x 41.6 cm

Q: How much extra battery can I connect with the DELTA Pro?

A: On a DELTA Pro, you can connect two extra batteries, which increases the total capacity to 10.8kWh.

Q: What makes the extra battery "smart"?

A: DELTA Pro Extra Battery can be monitored through the EcoFlow app, allowing you to monitor and control your batteries remotely.

Q: Can I charge the extra battery separately from the DELTA Pro?

A: Yes when using the Smart Generator as part of the ecosystem. For other ways of recharging, you must connect your Extra Battery to the DELTA Pro.

Q: How fast does the Smart Extra Battery charge?

A: Charging speed varies depending on the charging method chosen. In short, it charges quickly. The fastest way to charge is to use MultiCharge to achieve a charging speed of 6500W. With this you can charge both your DELTA Pro and the extra battery in less than 2 hours. Via a standard AC wall outlet, you can expect a full charge in 2.5 hours assuming your DELTA Pro unit is fully charged.

1.DELTA Pro Smart Extra Battery 2.Connection cable 3.Handle cover 4.User manual