World's First 1500V PV/400VAC Hybrid Inverter

The SAJ CHS3 is an All-in-One C&I hybrid solar-storage solution, engineered to minimize system costs and fast-track your project ROI for commercial and industrial users.
Revolutionize Your C&I ROI with 1500V Tech. Shorter Payback, Higher Yield. 

Featuring an innovative DC-coupled architecture, the system eliminates multi-stage power conversion steps to reduce energy loss along the physical link, boosting overall system conversion efficiency by 2%.

Direct  DC-BUS  coupling
Built-STS
• ≤20ms Seamless Transfer: Ensures uninterrupted load operation, eliminating production and data losses.
 • 10-Unit Off-Grid Paralleling: Requires no external STS, simplifying architecture and boosting backup reliability.

 Built-in EMS eliminates extra procurement costs. 100 Mbps high-speed industrial communication enables real-time data exchange and multi-device coordination, supporting intelligent energy management.  

Built-in EMS

 Build a full-link proactive safety matrix spanning from early warning to mitigation, delivering the highest standard of safety and reliability 

 Equipped with string-level proactive shutdown capability, the system can swiftly interrupt the DC loop of an individual string upon detecting DC-side anomalies, achieving granular fault isolation .

 Continuous thermal monitoring of core electrical terminals detects hidden faults like loose connections, delivers early overheat warnings, prevents electrical fires and downtime, and ensures stable long-term heavy-load operation. 

 AI optimizes diesel generator start-stop and output per load & generation data to sustain high-efficiency fuel operation, cutting inefficient no-load runs and frequent start-stops for 20%-30% lower fuel consumption.

 Smart AI thermal algorithms maintain optimal battery temperature while minimizing cooling energy consumption, boosting overall system efficiency and reducing power waste. 

 Supporting multiple operation modes—including grid-tied, off-grid, generator-storage hybrid, and backup power—the system flexibly adapts to application scenarios with diverse grid conditions. 

 Free from the constraints of grid infrastructure, it delivers reliable power supply to remote mines, farms, outdoor campsites, and mountain base stations, empowering commercial operations and production activities in off-grid regions 

 Future-Proof for VPP & AI Dispatching. Buy low, sell high, automatically 

10-unit On/Off-Grid Parallel


1. Seamless on/off-grid switching

2.No extra STS module required



20-unit On-Grid Expansion


1.Flexible capacity scaling

2.Smooth on-demand expansion



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