Fortress Power Envy 12kW

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Sale price$5,528.99 Regular price$6,142.99


Fortress Power Envy 12kW

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.

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)
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
MPPT Efficiency 99.9%
Max. Efficiency 97.5%
CEC Efficiency 96.5%
Anti-islanding Protection YES
DC Switch YES
Ingress Protect Degree NEMA 4X, IP65
SPD Protection YES
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

Order shipment preparation takes 3 days. Once shipped orders usually take 2 weeks to be delivered. These are estimations; delivery can be delayed for reasons beyond our control. You can always contact us to know the exact delivery time once you placed an order with us. Have a look at our shipping policy here.

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