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With the delta Max Extra Smart battery (mpn 50031003) from EcoFlow, you can expand the capacity of your delta Max Powerstation by 2kWh. In total, you can add two Extra Smart batteries to the power station, to a total capacity of approximately 5.6kWh (delta Max 1600) or just under 6kWh (delta Max 2000).

Features of the EcoFlow delta Max Extra Smart battery

  • Expansion battery for the delta Max Power Station
  • Enormous capacity of 2kWh
  • Perfect for expanding your back-up solution in case of emergency
  • Charging methods: AC outlet, 12V car adapter, solar panel
  • Charging only possible in conjunction with the Power Station
  • With LCD display to show remaining charge, remaining time, out and in

Modular expansion of your Powerstation

Double or triple the capacity of your delta Max Powerstation and extend the runtime of your most important devices. Ideal for use at home, as a backup during power outages, or for camping and outdoor adventures. The expansion battery can be charged with the same capabilities of the Max Powerstation as long as they are connected. They charge/discharge simultaneously, so the percentage battery level remains the same for both units.


  • Dimensions: 464 x 235 x 283 mm
  • Weight: approx. 18 kg
  • 24 months manufacturer warranty
  • Capacity: 2016Wh
  • Cell chemistry: NCM
  • Lifetime: 800 cycles to 80% capacity
  • Input for additional battery connection: Max. 1800w - 50,4v (X-Stream and Solar Dual Charging)
  • Output for additional battery connection: Max. 3200w - 43V-58.4V

Scope of delivery:

1x EcoFlow Delta Max Extra Smart Battery
1x Delta Max spare battery cable
1x user manual

Ecoflow_Delta_Brochure_EN.pdf Download
Ecoflow_Delta_Max_Extra_Manual.pdf Download
Ambient temperature of the battery charging: 0°C - +45°C
Battery ambient temperature discharged: -20°C - +45°C
Capacity: 40Ah
Manufacturer: EcoFlow
Product Type: Mobile Powerstation
Warranty: 24 months manufacturer's warranty
Weight: 18kg
ean: 4897082664741
mpn: 50031003 Reviews with
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