Fortress Power Envy True 12
12kW Whole Home Solar Storage Inverter

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.

Key Features

• 200A AC passthrough current for whole home backup
• 3 MPPT output for max. 21 kW PV array
• AC, DC and AC/DC combined coupling
• IP65 rated for Indoor & Outdoor Installation
• Built-in Generator Input
• 10 units in parallel
• Local and remote monitoring/app
• Color LCD touch screen
• Batch Settings
• Envy True 12 Inverter - Data Sheet | Download
• Envy True 12 Inverter - Manual | Download
• Envy Battery-Inverter Integration Guide | Download
• Envy Inverter Monitoring Setup Guide | Download
• Envy True 12 Inverter - Warranty Letter | Download
• OGPe Certification | Download
• NOM Certification | Download

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

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