Ecoflow DELTA Max Smart Extra Battery

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  • While we offer shipping for EcoFlow products to Hawaii and Alaska, EcoFlow does not provide after sales services in those regions. Therefore we kindly recommend buying a CPS Accidental Warranty when shipping to Hawaii or Alaska

    Ecoflow DELTA Max Smart Extra Battery

    This products is an EXTRA battery to add power to your Delta Max.

    More of DELTA Max

    Double runtime with this add-on battery that plugs into any DELTA Max portable power station. Add up to two Extra Battery units for a total capacity of 6048Wh.

    Convenient recharging

    DELTA Max and its Extra Battery charge and discharge in unison. Whether you’re recharging DELTA Max from solar panels, AC outlets, a vehicle, or our Smart Generator, the DELTA Max Extra Battery will recharge alongside.

    Independent in emergencies 

    The extra battery even recharges directly from EcoFlow’s Smart Generator without DELTA Max. That’s more recharging options to fit any situation.

    LCD screen

    Get all the info on battery percent, time until full, time until empty, and more on the DELTA Max Extra Battery LCD screen. Check the battery’s status anywhere on the EcoFlow app. 

    • 1 x Ecoflow DELTA Max Smart Extra Battery
  • Warranty:
    24 months


    AC Output: 
    6 outlets, 2400W total (Surge 5000W)

    USB-A Output:
    2 ports, 5V, 2.4A, 12W Max per port

    USB-C Output:
    2 ports, 5/9/12/15/20V, 5A, 100W Max per port

    DC5521 Output:
    2 ports, 12.6V, 3A, 38W Max per port

    Solar Charging Input:
    800W Max, 11-100V, 10A

    Battery Chemistry:

    Shelf Life:
    1 year (after a full charge)

    Net Weight:
    Approx. 48lbs

    Extra Battery:
    Support up to two DELTA Max Smart Extra Battery/Smart Generator

    Max Device(s) Power Supported by X-Boost

    USB-A Fast Charge:
    2 ports, 5V, 2.4A / 9V, 2A / 12V, 1.5A, 18W Max per port

    Car Power Output:
    12.6V, 10A, 126W Max

    AC Charging Input:
    1800W Max, 15A

    Car Charging Input:
    Support 12V/24V battery, 8A

    Cycle Life:
    800 cycles to 80% capacity


    19.6*9.5*12 in