Sold out

Fortress Power Envy True 12 kW

Notify me when this product is available:

The Fortress Power Envy True 12 kW – a whole-home, all-in-one 12kW inverter solution. Paired with the Fortress Power eFlex 5.4 kWh, the eVault MAX 18.5 kWh or LFP-10 MAX batteries, the Envy features a 200A AC passthrough providing up to 12kW (50A @ 240V) of whole-home backup power. The Envy features a built-in generator input with AC/DC coupling, on- and off-grid capabilities, plus a 3 MPPT output allowing for a maximum of 21 kW PV array. The Envy is equipped with a built-in APsmart Module Level Rapid Shutdown Transmitter and Button, along with Pre-built AC & DC breakers allowing for fast installation and commissioning. Use our online monitoring app to access your system from anywhere.

Supported Applications

  • Backup
  • Off-Grid
  • Zero Export
  • Time-Of-Use
  • Peak Shaving
  • Demand Response Integration (Coming Soon)

Whole-Home Backup / AC Passthrough One-Line Diagram

    Key Features

    • 200A AC Passthrough Current For Whole Home Backup
    • 3 MPPT Output For Max. 21 KW PV Array
    • AC, DC And AC/DC Combined Coupling
    • IP65 Rated For Indoor & Outdoor Installation
    • Built-In Generator Input
    • 10 Units In Parallel
    • Local And Remote Monitoring/App
    • Color LCD Touch Screen
    • Batch Settings


      Input DC (PV Side):
      Specification Details
      Max. DC Input Power for Single MPPT 12,000W/7,000W/7,000W (1 x 12kW, 2 x 7kW)
      Max. PV Input Power 21,000W
      Max. PV Power Delivered to Battery & AC Outputs 18,000W
      DC Input Voltage Range 100V-600V
      Nominal DC Input Voltage 360V
      Full Power MPPT Voltage Range 230V-500V
      Max. DC Input Current 25A/15A/15A
      MPPT Number/(Strings per MPPT) 3(2/1/1)
        Output/Input AC (Grid):
      Specification Details
      Continuous AC Power to Grid 12,000W (240V)
      Continuous AC Power to Load with Grid or Generator 48,000W (240V)
      Nominal Output Voltage 120V/240V
      Max. Continuous AC Current 50A @ 240V
      Nominal AC Frequency 50Hz/60Hz
        Output AC (Off-Grid):
      Specification Details
      Max. Output Power 12,000W (240V)
      Nominal Output Voltage 120V/240V
      Nominal Output Frequency 50Hz/60Hz
      Nominal Output Current 50A @ 240V
      Peak Power 14kW 10 minutes / 16kW 5 minutes / 20kW 500ms
      Switching Time Seamless
        Battery Parameters:
      Specification Details
      Compatible Battery Type Lithium and Lead acid batteries
      Nominal Battery Voltage 48V
      Battery Voltage Range 48V-56V
      Maximum Charging/Discharging Current 250A
      Maximum Charging/Discharging Power 12,000W
      Specification Details
      MPPT Efficiency 99.9%
      Max. Efficiency 97.5%
      CEC Efficiency 96.5%
      Specification Details
      Anti-islanding Protection YES
      DC Switch YES
      Ingress Protect Degree NEMA 4X, IP65
      SPD Protection YES
      AFCI OPT
      RSD Built-in APsmart Transmitter
        General Data:
      Specification Details
      Dimensions 31.1 x 20.5 x 10.4 in (790 x 520 x 264 mm)
      Weight 127 lbs (58 kg)
      Display Color LCD
      Ambient Temperature Range -20 to 60 °C (-4 to 140 °F)
      Cooling FAN
      Communication RS485/Wi-Fi/CAN
        Standard & Certification:
      Specification Details
      Certifications UL1741, UL1741SB, IEEE1547A, Rule 21, ISO-NE, FCC15 class B, HECO, CEC, Luma, SGIP, NOM
      Warranty 10 Years / Lead Acid or Fortress Lithium Batteries, other 48v battery manufacturers**