This product is part of the Time's 100 best inventions of 2021!
- Expandable Mega capacity with this battery from 3.6kWh to 25kWh! (Battery only is not working without the main DELTA Pro unit)
- Power Pretty Much Anything (3600W-7200W Output)
- World's Fastest Charging Power Station
- DELTA Pro (MultiCharge 6500W)
- Possibility for home Integration with EcoFlow’s ecosystem
Expandable capacity. This add-on battery connects with a DELTA Pro to double total capacity to 7200Wh. Connect two to DELTA Pro for a remarkable 10.8kWh of off-grid power.
Convenient recharging. Recharging from solar panels, AC outlets, EV charging stations, or our Smart Generator is easy. When you plug the Extra Battery into the DELTA Pro, they will both charge and discharge at the same time.
More watt-hours at home. When connected to DELTA Pro, the Extra Battery can be integrated into your home's wiring. These battery units are integrated into your home's peak shaving and emergency power systems.
Ready for emergencies. This Extra Battery can be recharged directly from EcoFlow's Smart Generator outdoors, offering you a backup alternative in the event of an emergency.
LCD screen. On the built-in screen, you can see the same information regarding battery percentage, remaining recharge time, hours left, and more. The EcoFlow app allows you to check the battery's state from anywhere.
*Note: This product is exclusively for the EcoFlow DELTA Pro portable power station; only available for sale in the contiguous United States.
Make it a triple
Increase the capacity of your DELTA Pro to 7.2kWh or even 10.8kWh by using one or two extra DELTA Pro Batteries that can be connected together. That’ll give you days of power for your essential appliances.
Charge anytime, anywhere
DELTA Pro’s Smart Extra Battery benefits from all the charging methods DELTA Pro has, including 6500W MultiCharge. That means you can charge anytime, anywhere as long as your extra battery is connected to DELTA Pro. Once connected, they’ll charge and discharge as one, keeping the battery percent level across both units.
Wall Outlets; EV Charging Stations; Solar Charging; Smart Generator; Car Charging; Wind Charging
Ready for any emergency
When the going gets tough and you're out of alternatives for charging, turn to the EcoFlow Smart Generator for an 1800W DC rapid charge (sold separately). Just plug the generator directly into your extra battery via the port on the back. This works even when disconnected from your DELTA Pro.
The Smart Extra Battery sports a bright LCD screen on the front of the unit giving you all the info you need. Output, input, charge remaining, and remaining time It's all in one place. Do you require information while on the go? All of this and more can be found in the EcoFlow app.
What's in the box
1.DELTA Pro Smart Extra Battery
2.DELTA Pro Extra Battery Cable
Model Name: DELTA Pro Smart Extra Battery
Battery Chemistry: LFP
Battery Cycle Life: 6,500 cycles to 50% capacity, 3,500 cycles to 80% capacity
Shelf Life: 1 year (after a full charge)
Dimension: 25 x 11.2 x 16.4 in / 63.5 x 28.5 x 41.6 cm
Weight: Approx. 84lbs / 38kg
Payment & Security
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Business days are Monday through Friday. Holidays, Saturday and Sunday are not included in shipping days.
Shipping process: A newly placed order usually takes 48 hours to be processed/shipped and will be delivered to you approximately 1 to 5 business day after an order has shipped, with most packages arriving within 3 business days. For example, an order made on Monday night will be shipped on Wednesday morning and would arrive about 3 business day later.
Our policy lasts 30 days in most case. Some of our brands are offering 60 days, please refer to the product page. If 30 (or 60 in special cases) days have gone by since your purchase, unfortunately, we can’t offer you a refund or exchange.
To be eligible for a 100% refund, your item must be in the same condition that you received it. It must also be in the original packaging.
In the case you used the product and you would like to return it, you will be responsible for the shipping fee and a restocking fee might apply.
In the rare case that a product becomes faulty or a buyer receives a product with defects, buyers are entitled to request for a product replacement within 30 days of receiving the item. To request a replacement, buyers are required to provide photo/video evidence of the product's manufacturing defects via email