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Triple the capacity of your Delta 2 Max from 2kWh to 6kWh

DELTA 2 Max Smart Extra Battery – Latest 2024 technology

The DELTA 2 Max Smart Extra Battery will give you a total of 340Ah or 4096Wh capacity for your Ecoflow Delta 2 Max portable power station. Add up to 2 extra batteries for a total of 510Ah or 6144Wh. Thanks to the latest Lithium Iron Phosphate (LifePo4) technology, you can recharge from 0-80% in just 68 minutes.  That’s 4x faster than similar products on the market.

The additional batteries are joined in parallel to your Delta 2 Max via the supplied plug-n-play cable, so there is no need to swap them over when they are running low.


  • Expandable capacity – Increase the capacity of DELTA 2 Max or Delta 2 with an extra 2046Wh from the DELTA 2 Max Smart Extra Battery
  • Triple the power – 2-6kWh expandable capacity to fit your energy storage needs.
  • Add up to two DELTA 2 Max Smart Extra Batteries to hit a capacity of 6144Wh.
  • Ideal for home backup, caravanning, outdoors or even everyday use.
  • Built to last 6× longer – Get 10 years of daily use until hitting 80% of its original capacity.
  • LFP battery chemistry giving you over 3000 cycles.
  • 5-Year Warranty

Power your fridge for up to 42 hours without charging

*Based on 6kWh capacity running a 120W refrigerator.

DELTA 2 Smart Extra Battery


Have you heard about the EcoFlow Dual Fuel SMART Generator ? The smart technology allows it to run on LPG or petrol and automatically starts and charges your batteries when they are low.




Weight 19 kg
Dimensions 46.4 × 23.5 × 28.3 cm


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Specs Details
Capacity 2048 Wh (167Ah@12V)
Input Port 51.2V, 2000W Max
Output Port 51.2V, 3200W Max
Battery LFP chemistry, 3000 cycles to >80% capacity
Dimension 464 × 235 × 283 mm (18 × 9 × 11 in)
Weight 19kg(42lbs)
What’s in the box EcoFlow DELTA 2 Max Smart Extra Battery, Extra Battery Cable, User Manual, Warranty Card
Compatible with DELTA 2 / DELTA Max 2000/ DELTA 2 Max

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