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Fortress Power | Envy Inverter 12 kW | 10 Year Warranty

SKU Envy Inverter 12 kW
Save $1,300.00 Save $1,300.00
Original price $6,899.00
Original price $6,899.00 - Original price $6,899.00
Original price $6,899.00
Current price $5,599.00
$5,599.00 - $5,599.00
Current price $5,599.00

Overview

The Fortress Power Envy True 12 kW inverter is an all-in-one home energy solution delivering 12 kW output with 21 kW PV input (expandable up to 120 kW with 10 units). Compatible with any Fortress Power 48V battery, it offers seamless power through a 200A AC passthrough for off-grid, grid-tied backup, net metering, and load-shifting. Approved by utilities across the U.S. and Canada, it helps lower bills and earn payments by exporting energy during peak demand. Perfect for energy independence and outage protection.

Key Features:

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

Supported Applications:

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

    Whole-Home Backup One-Line Diagram

     

    Whole-Home Backup One-Line Diagram

    Specifications

    Input DC (PV Side)
    Max. DC Input Power for Single MPPT 12000W/7000W/7000W 1 x 12kW, 2 x 7kW
    Max. PV Input Power 21000W
    Max. PV Power Delivered to Battery & AC Outputs 18000W
    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)
    Continuous AC Power to Grid 12000W (240V)
    Continuous AC Power to Load with Grid or Generator 48000W (240V)
    Nominal Output Voltage 120V/240V
    Max. Continuous AC Current 50A @ 240V
    Nominal AC Frequency 50Hz/60Hz
    Output AC (Off-Grid)
    Max. Output Power 12000W (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
    Compatible Battery Type eVault Max, eFlex, LFP-10 MAX
    Nominal Battery Voltage 48V
    Battery Voltage Range 48V-56V
    Maximum Charging/Discharging Current 250A
    Maximum Charging/Discharging Power 12000W
    Efficiency
    MPPT Efficiency 99.9%
    Max. Efficiency 97.5%
    CEC Efficiency 96.5%
    Protection
    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
    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
    Certifications UL1741, UL1741SB, IEEE1547A, Rule 21, ISO-NE, FCC15 class B, HECO, CEC, Luma
    Warranty 10 Years / Lead Acid or Fortress Lithium Batteries Only




    Manuals and Downloads

    Envy True 12 Inverter – Data Sheet

    Envy True 12 Inverter – Manual

    Envy Battery-Inverter Integration Guide

    Fortress Power System Design Tool

    Envy True 12 Inverter – Warranty Letter

    Envy Inverter Monitoring Setup Guide

    OGPe Certification

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    USA Based Tech & Customer Support Got a question? Speak to our USA based tech & customer support team: 571-350-0146
    #1 DIY Solar Authorized Retailer
    Fast & Safe Shipping
    Sales Tax Free
    Authorized Dealer Warranty