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The Fortress Power Envy 12kW inverter is an all-in-one solution for powering an entire home. It can be paired with either the eFlex 5.4 kWh, eVault MAX 18.5 kWh, or LFP-10 MAX batteries, and provides up to 12kW (50A @ 240V) of backup power through a 200A AC passthrough. The Envy has a built-in generator input with AC/DC coupling, on- and off-grid capabilities, and a 3 MPPT output that can support a maximum of 21 kW PV array. It comes with a built-in APsmart Module Level Rapid Shutdown Transmitter and Button, as well as pre-installed AC & DC breakers for easy and fast installation. You can monitor your system from anywhere using our online app.
Supported Applications:
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 |
Q: What is the Fortress Power Envy 12kW?
A: A powerful 12kW inverter designed for seamless energy conversion and integration with energy storage systems.
Q: What are its key features?
A:
Q: Is it suitable for off-grid systems?
A: Yes, it is ideal for both off-grid and grid-tied energy solutions.
Q: What protections does it offer?
A: Advanced safety features, including overload, overvoltage, and short-circuit protection.
Q: Who is it ideal for?
A: Perfect for residential, commercial, and industrial users seeking a reliable and high-performing inverter.
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