Envy 12kW Hybrid Inverter | 21kW PV Input | 120/240V Split Phase 120/208V Three Phase | UL1741, UL1741SB | All-In-One Solar Inverter
Envy 12kW Hybrid Inverter | 21kW PV Input | 120/240V Split Phase 120/208V Three Phase | UL1741, UL1741SB | All-In-One Solar Inverter is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability










Envy True Inverter
Whole-Home Back-Up Inverter Solution
- Features
- Specification
- Downloads
- Video
- Reviews
The Fortress Power Envy True 12kW is a powerful, all-in-one solar storage inverters designed for whole-home energy solutions. Paired with Fortress Power eFlex 5.4 kWh, eVault MAX 18.5 kWh, or eForce 9.6-28.8kWh batteries, the Envy delivers up to 12kW of backup power with a 200A AC passthrough. Featuring a built-in generator input, AC/DC coupling, and on/off-grid capabilities, the Envy True 12 supports a 21kW PV array with triple MPPT outputs. Integrated APsmart Module Level Rapid Shutdown, AC/DC breakers, and a monitoring app ensure fast installation and remote system access.
Start your solar journey today!
Whether you’re looking for backup power, off-grid independence, or solar optimization, scalable up to 120kW AC output with multiple units, the Envy True 12 is perfect for homes and businesses. The Envy inverter combines power, efficiency, and convenience, making it a robust, all-in-one solution. Simplify your energy system and take control with Envy’s cutting-edge technology.Specification
Model | Envy True 12kW
Max. DC Input Power for Single MPPT(3 MPPT)
12000W/7000W/7000W 1 x 12kW, 2 x 7kW
Max. PV Input Power
21000W
Max. DC Input Current
25A/15A/15A
MPPT Number/(Strings per MPPT)
3/3
Continuous AC Power to Grid
12000W (240V)
Continuous AC Power to Load with Grid or Generator
48000W (240V)
Nominal Output Voltage
120/240V Single Split Phase, 120/208V Single Split Phase, 120/208V Three Phase, 120/220V Three Phase
Max. Output Power(Off-Grid)
12000W (240V)
Peak Power
14kW 10 minutes / 16kW 5 minutes / 20kW 500ms
Dedicated Auto-start Generator Port
100A Max / 90A Continuous
Nominal Battery Voltage
48V
RSD
Built-in APsmart Transmitter
Communication
RS485/Wi-Fi/CAN
Certifications
UL1741, UL1741SB, IEEE1547A, Rule 21, ISO-NE, FCC15 class B, HECO, CEC, Luma, SGIP, NOM
Warranty
10 Years
Downloads
-
0.23M
-
5.80M
-
0.15M
-
0.17M
-
0.5M
-
1.55M
-
1.55M
-
1.55M
Video
Optional link-
Fortress Power Envy True 12k | eFlex 5.4 Whole Home Backup Solar Power System
-
Fortress Power Off Grid System - Delivery, Unboxing, Install, and Review
-
Commissioning the Fortress Power Envy True 12 Inverter
-
Optimizing Energy Storage Sizing Systems with eForce and the ENVY Inverter
-
Mastering the eForce System: Unboxing, Installation, Commissioning, and Troubleshooting