EcoFlow Delta Pro Extra Battery

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  • Regular price $5,299.00
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Expandable capacity This add-on battery connects with a DELTA Pro to double the total capacity to 7200Wh. Connect two of them to DELTA Pro for a staggering 10.8kWh to use off-grid.

Convenient recharging Recharging from solar panels, AC outlets, EV charging stations, or our Smart Generator is easy. Plug the Extra Battery into DELTA Pro and they will recharge and discharge in tandem.

More watt-hours at home The Extra Battery can be integrated to your home’s wiring when connected to DELTA Pro. These battery units become part of your home’s peak shaving and emergency power solutions.

Ready for emergencies This Extra Battery can recharge directly from EcoFlow’s Smart Generator outdoors, giving you another option for emergencies.

LCD screen Get all the same info about battery percentage, remaining recharge time, hours left, and more on the built-in screen. You can check the battery’s status anywhere from the EcoFlow app.

*Note: This product is exclusively for the EcoFlow DELTA Pro portable power station


EcoFlow Delta Pro Extra Battery Specs:

  • Weight: 38kg
  • Dimensions: 63.5 x 28.5 x 41.7cm
  • Capacity: 3600Wh (300Ah at 12V)
  • Chemistry: Lithium (LiFePO4 / LFP)
  • Cycles: 3500 cycles to 80%+ capacity
  • Bluetooth and Wi-Fi connection for App control
  • Protections: BMS, Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low Temperature Protection, Low Voltage Protection, Overcurrent Protection


EcoFlow Delta Pro Extra Battery Inputs:

  • Extra Battery Port Input: 48V, 3200W Max


EcoFlow Delta Pro Extra Battery Outputs:

  • Extra Battery Port Output: 45V-54V, 4260W Max



  • 1 x EcoFlow Delta Pro Extra Battery (3600Wh)
  • 1 x DELTA Pro Extra Battery Cable
  • 2 x Handle Cove
  • 1 x User Manual



  • 2 Year Manufacturers Warranty accessible in New Zealand


User Manual:

Download Delta Pro Extra Battery User Manual

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