ST-INV-T20
Hybrid inverter 20kW+
Products > Photovoltaics > ST-INV-T20

Product Description
The ST-INV-T20 is a robust three-phase hybrid inverter, a key component of the Stealth Smart Home Energy Ecosystem. This system is designed to help you monitor, manage, and maximize your energy consumption using solar panels, a home energy storage system, smart switches, and the StealthESS app. The ST-INV-T20 boasts a maximum PV power of 20,000 Wp and a maximum efficiency of 97.8%, achieving high performance with an ultra-low start-up voltage. Its fast and dynamic MPPT (Maximum Power Point Tracking), coupled with an industry-leading DC voltage range, ensures efficient conversion of solar energy into usable electricity.
The inverter is designed with flexibility and scalability in mind. You can use multiple ST-INV-T20s in parallel, scaling your system’s power output as needed. An intelligent EMS (Energy Management System) further enhances efficiency, enabling continuous solar power utilization and reducing energy costs by optimizing how your household consumes energy. The ST-INV-T20 is IP65 rated, meaning it is protected against dust and water ingress, ensuring long-term reliability in various environments.
Stealth offers a 10-year standard warranty on the ST-INV-T20 and it is designed for remote upgrades. This approach guarantees long-term performance and adaptability to future technology upgrades. The ST-INV-T20 is part of a holistic solution for optimizing your home energy ecosystem, maximizing solar energy utilization, and enhancing energy independence.
ST-INV-T20
Nominal Output Power [VA] | 20,000 |
Nominal Grid Voltage [V] | 400/230; 380/220 |
Nominal Grid Frequency [Hz] | 50/60 |
Max. AC Current [A] | 30 |
Power Factor | 0.8 leading~0.8 lagging |
THDi [%] | <3 |
Dimensions (WHD) [mm] | 650510220 |
Weight [kg] | 40 |
Max. PV Power [W] | 20000 |
Max. DC Input Voltage [V] | 1000 |
Nominal DC Voltage [V] | 620 |
Max. Input Current [A] | 20/20 |
Max. Short Circuit Current [A] | 27/27 |
MPPT Voltage Range [V] | 200 ~ 850 |
Start-up Voltage [V] | 200 |
Number of MPPTs | 3 |
MPPT Efficiency [%] | 99 |
European Efficiency [%] | 97 |
Max. Efficiency [%] | 97.8 |
Battery Charge and Discharge Efficiency [%] | 97.5/96.5 |
Battery Type | LFP |
Battery Voltage Range [V] | 180 ~ 700 |
Max. Charge/Discharge Current [A] | 40 |
Communication Interface | CAN |
Ingress Protection | IP65 |
Operating Temperature Range [°C] | -25 ~ 60 (derating at >45) |
Altitude [m] | <2000 |
Relative Humidity Range [%] | 0~100 |
Storage Temperature [°C] | -25 ~ 60 |
NI [dB] | <50 |
Cooling Method | Smart fan cooling |
Topology | Non-isolated |
Interfaces | Meter/ WiFi/ DRM/ BMS |
Night Power Consumption [W] | <30 |
Warranty | 10 years |