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Commercial & Industrial Inverter

Sigen C&I Inverter

The 2nd generation Sigen Hybrid inverter is crafted with the industry-slimmest die-cast metal body. With enhanced heat dissipation design, there is no internal or external fans, ensuring an almost complete silent operation. Future-ready for battery integration, it’s a cost-effective choice to get start your green energy life.

Higher Power, More MPPTs
Industry New Power Benchmark

Sigen PV 150/166M1

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Sigen C&I Inverter


Battery-ready, the most powerful hybrid inverter designed for an innovative DC-coupled solution.


Support DC Coupling
Versatile, yet Future Proof

Sigen C&I Inverter comes with a reserved battery port at the bottom, making it the world’s most powerful hybrid inverter with PCS built in. Our SigenStack Energy Storage System can be seamlessly connected at any time, allowing for easy upgrades to a modular PV + ESS system.


Smallest & Lightest
Effortless Handling

Combining advanced high performance components with an innovatively optimized cooling layout, Sigenergy C&I Inverter sets a new industry record with its exceptional compactness. This design delivers more flexibility and cost savings when it comes to transportation and installation, more so if installed on roof-tops.


500m AFCI
Detection Distance
Push Further for Safety

By combining feature fusion and neural network fusion algorithms, Sigenergy drastically advances signal detection accuracy and arc detection distance, achieving the industry's longest AFCI detection distance and covering more application scenarios.

Phase Sequence Self-Adaptation
No More Complex Wiring

Addressing common issues with CT polarity reversal and phase sequence errors during installation, Sigenergy’s innovative algorithm enables phase sequence self-adaption based on various response signals. With an accuracy rate of 99.9%, it helps installers avoid time-consuming calibration and rewiring, significantly reducing wiring complexity.

* To be used in conjunction with Sigen Power Sensor, please refer to the Installation Guide for details.

Integrated Backup Load Port
Multiple units in parallel without gateway

Sigen C&I Inverter supports direct connection of backup loads, automatically detecting grid blackout and enabling seamless transition to backup power without the need for Energy Gateway. This results in simpler installation and faster deployment.

* This feature is only available in the HYB series of Sigen C&I inverters.


Seamless Switchover
Energy without interruptions

Powered by advanced algorithms, Sigen C&I Inverter algorithm ensures seamless off-grid switching with zero load-side disruption. This guarantees power stability during outages, enhances system reliability, and makes it a robust solution for uninterrupted power supply. 

* This feature is only available in the HYB series of Sigen C&I inverters.

150% Peak Output Power
Handling Impact Load for Smooth Startup

Sigen C&I Inverter features strong overload capacity, enabling them to easily handle impact loads of equipment such as air conditioners, Industrial motors and elevators. This delivers reliable equipment startup, prevents disruptive downtime, and enhance overall system stability.

* This feature is only available in the HYB series of Sigen C&I inverters.
* Max. peak power 150 kW.