
$3,499.00
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
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. Still Have Questions? Give us a call today 1-513-743-2829
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2025
$3,499.00