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DELTA Max Smart Extra Battery

-$200.00
Current Price $999.00
Original Price $1,199.00

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EcoFlow DELTA Max Extra Battery 

Looking to supercharge your DELTA Max power station? 

Huge Capacity: With a whopping 2016Wh capacity, this extra battery takes your DELTA Max to the next level. You can now expand your DELTA Max's capacity to a massive 6048Wh, ensuring you have abundant backup power whenever you need it.

Customizable Power: For outdoor enthusiasts and off-grid adventurers, the DELTA Max Extra Battery is a game-changer. Attach up to two extra batteries to your DELTA Max, creating a tailor-made outdoor generator. Your power supply is now entirely in your hands.

Lightning-Fast Charging: Say goodbye to long wait times. The DELTA Max Extra Battery can be fully charged in less than two hours, ensuring you spend less time waiting and more time enjoying your devices.

Versatile Charging Options: Charging your DELTA Max Extra Battery is a breeze. Use a standard AC wall outlet for a quick and convenient power top-up. If you're on the go, your car can also replenish its power. For a truly versatile charging experience, connect it to the EcoFlow Smart Generator.

Power for Everything: Powering your devices is no longer a challenge. The DELTA Max Extra Battery can support up to 15 devices simultaneously and can handle 99% of your appliances. No more prioritizing which devices get power first - now everything stays on.

What's Included in the Box

When you unbox your DELTA Max Extra Battery, you'll find:

  1. DELTA Max Smart Extra Battery
  2. DELTA Max Extra Battery Cable
  3. User Manual

Plus, you're backed by a 24-month guarantee from EcoFlow. Our friendly customer support team is here to assist you whenever you need it.


With the EcoFlow DELTA Max Extra Battery, you're in control of your power. Elevate your DELTA Max, expand your horizons, and enjoy reliable, portable power that's ready for your every adventure.


Note: For more details on using your DELTA Max Extra Battery, please consult the DELTA Max Smart Extra Battery User Manual


Net Weight *Approx. 40 lbs (18 kg)
Dimension *18.3 x 9.3 x 11.1 in (46.4 x 23.5 x 28.3 cm)
Charge Temperature32 to 113°F ± 5°F (0 to 45°C ± 3°C)
Discharge Temperature-4 to 113°F ± 5°F (-20 to 45°C ± 3°C)
Capacity2016Wh
Cycle Life800 Cycles to 80%+ capacity
Management SystemsBMS, Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low Temperature Protection, Low Voltage Protection, Overcurrent Protection
Extra Battery Port Input50.4V, 1800W Max (X-Stream and solar dual charging)
Extra Battery Port Output43V-58.4V 3200W Max
Cell ChemistryNCM
Shelf Life1 year (after fully charging the device)
Testing and certificationUL CE FCC ROHS Telec
Warranty36 months
Smart GeneratorSupported (sold separately)
*Please Note:Customers who purchased the device before September 1, 2022 will automatically receive a year warranty, which may be extended to 3-years by registering on EcoFlow's official website.
The above weight, size, etc. have certain measurement errors. Please refer to the actual measurement.
Whether the product can be charged or discharged depends on the actual temperature of the battery pack.

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