The Fortress Power Envy True 12 – a whole-home, all-in-one 12kW 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.
Fortress Power Envy True 12 Key Features:
- 200A AC Passthrough Current For Whole Home Backup
- 3MPPT Output For Max 21kW PV Array
- AC / DC Coupling
- IP65 Rated For Indoor & Outdoor Installation
- Built-In Generator Port
- 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
- Peak Shaving
- Demand Response Integration (Coming Soon)
Fortress Power Envy True 12 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