Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter - Green Vista Living
Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter - Green Vista Living
Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter - Green Vista Living
Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter - Green Vista Living
Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter - Green Vista Living
Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter - Green Vista Living

Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter

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Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter - Green Vista Living

Fortress Power

Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter

$5,898.00 $3,499.00
Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter - Green Vista Living
Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter - Green Vista Living
Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter - Green Vista Living

Fortress Power

Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter

$5,898.00 $3,499.00
  • Description

Fortress Power Envy True 8 | 8kW Whole Home Solar Storage Inverter

The Fortress Power Envy 8kW and 10kW are a whole-home, all-in-one 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 90A AC passthrough providing up to 8kW (33.3@ 240V) or 10kw (41.6A @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 2 MPPT output allowing for a maximum of 13 kW PV array (Envy 8kW) or 15kW PV array (Envy 10kW). The Envy is equipped with a built-in APsmart Module Level Rapid Shutdown Transmitter and Button, along with integrated AC & DC breakers allowing for fast installation and commissioning. Use our online monitoring app to access your system from anywhere.

Key Features:

  • IP65 Rated For Indoor & Outdoor Installations
  • 2 MPPTs Output For:
    - Max Input 13KW PV Array (Envy 8kW)
    - Max Input 15KW PV Array (Envy 10kW)
  • AC/DC Coupling
  • 90A Built-In Auto Transfer Switch
  • Built-In Generator Input
  • 5 Units In Parallel
  • Online Monitoring/App
  • Color LCD Touch Screen.
  • 3 Phase Compatible (Upcoming Feature)

Supported Applications:

  • Backup
  • Off-Grid
  • Zero Export
  • Time-Of-Use
  • Virtual Power Plant

Fortress Power Envy 8KW Specifications

Input DC (PV Side)

  • Max. DC Input Power for Single MPPT 6000W / 6000 W
  • Max. PV Input Power 13000W
  • Max. PV Power Delivered to Battery & AC Outputs 12000W
  • DC Input Voltage Range 100V-600V
  • Nominal DC Input Voltage 360V
  • Full Power MPPT Voltage Range 170V-500V
  • Max. DC Input Current 25A / 25A
  • MPPT Number/(Strings per MPPT) 2 / 2

Output/Input AC (Grid)

  • Continuous AC Power to Grid 8000W (240V)
  • Continuous AC Power to Load with Grid or Generator 21000W (240V) AC Passthrough/ 12000W (240) GEN
  • Nominal Output Voltage 120V/240V
  • Max. Continuous AC Current 33.3A @ 240V
  • Nominal AC Frequency 50Hz/60Hz

Output AC (Off-Grid)

  • Max. Output Power 8000W
  • Nominal Output Voltage 120V/240V
  • Nominal Output Frequency 50Hz/60hZ
  • Nominal Output Current 33.3A @ 240V
  • Peak Power 16kW / 500ms
  • Switching Time Seamless
  • Dedicated Auto-start Generator Port 50A / 12kW 

Battery Parameters

  • Compatible Battery Type eVault Max, eFlex, LFP-10 MAX
  • Nominal Battery Voltage 48V
  • Battery Voltage Range 48V-56V
  • Maximum Charging/Discharging Current 167A
  • Maximum Charging/Discharging Power 8000W

Efficiency

  • Max. Efficiency 97.5%
  • MPPT Efficiency 99.9%
  • CEC Efficiency 96.5%

General Data

  • Dimensions 580 x 490 x 265mm (22.8 x 19.3 x 10.4 in)
  • Weight 44kg (97lbs)
  • Display Color LCD
  • Ambient Temperature Range -25 to 60 °C (-13 to 140 °F)
  • Cooling FAN
  • Communication RS485/Wi-Fi/CAN
  • Warranty 5 Years 

Envy 8/10kW Inverter – Data Sheet

Envy 8/10k Inverter – Manual

Fortress Power System Design Tool

Fortress Power Warranty – Envy 8k (CDBG)

Fortress Power Warranty – Envy 8/10kW

ENVY 8/10kW UL1741 SB 3RD ED.

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Feedback From Our Customers

At Green Vista Living, we pride ourselves on delivering top-quality products and exceptional service to solar professionals and homeowners alike. Here's what our customers have to say about their experiences with us.

Kevin Leary
May 18, 2025
★★★★★

Incredible Tech Support from Anees of Green Vista Living. Exceptional service and went above and beyond on every question.

Bryan Cunningham
Off grid Kit • Dec 21, 2025
★★★★★

Shipment was slow due to high demand, but the team kept me informed and ensured everything arrived properly.

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