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 

Still Have Questions? Give us a call today 1-877-242-2792