Fortress Power True Envy 12kW > 12,000 Watt 48 Volt All-In-One Solar Inverter
$6,825.00
The Fortress Power Envy True 12kW – 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 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.
Description
The Fortress Power Envy True 12kW – 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 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
- Battery Backup
- Off-Grid
- Zero Export
- Time-of-Use
- Peak Shaving
- Demand Response Integration
(Coming Soon)
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 | 12,000W (240V) |
| Continuous AC Power to Load with Grid or Generator | 48000W (240V) AC Passthrough/ 21000W GEN |
| 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 |
| Dedicated Auto-start Generator Port | 100A Max / 90A Continuous |
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 | 12,000W |
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 | YES |
| Rapid Shutdown Device (RSD) | Built-in APsmart Transmitter |
General Data
| Dimensions | 31.1″ x 20.5″ x 10.4″ (790 x 520 x 264 mm) |
| Weight | 127 lbs. (58 kg) |
| Display | Color LCD |
| Ambient Temperature Range | -4 to 140 °F (-20 to 60 °C) |
| 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 |
Product Highlights
- All-In-One Solution (PV, Generator, On/Off Grid, AC/DC Coupling)
- Whole Home Backup with 200A AC Passthrough
- Max. 18 kW PV Power Delivered to Battery & AC Outputs
- 12 kW (50A @240V) Backup Power
- Integrated AC & DC Breakers for Fast Installation & Commissioning
- Built-in APsmart Rapid Shutdown Transmitter and Button
Key Features
- 200A AC passthrough current for whole home backup
- 3 MPPT output for max. 21 kW PV array
- AC/DC coupling
- IP65 rated for Indoor & Outdoor Installation
- Built-in Generator Input
- 5 units in parallel
- Online monitoring / app
- Color LCD touch screen
- 3 Phase Compatible
(Upcoming Feature)








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