SUNWAYS SOLAR INVERTERS
Reliable Power Conversion for Every Solar Project
High-efficiency solar inverters for residential, commercial and industrial applications.
Engineered for reliable energy conversion, flexible system design and long-term performance.
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EXPLORE OUR RANGE
Explore Sunways Inverter Range
From residential systems to commercial and industrial applications, explore Sunways inverter solutions across multiple power ranges and system requirements.
STS3-6kW
Single Phase On-Grid
- Compact and lightweight design
- High efficiency up to 98.1%
- Suitable for residential applications
STT4-25kW
Three Phase On-Grid
- Designed for commercial rooftops
- 2 MPPT trackers for flexible design
- High efficiency up to 98.6%
STT30-80kW
Three Phase On-Grid
- Suitable for C&I projects
- 2 to 8 MPPT trackers by model
- High efficiency up to 98.8%
STT100-150kW
Three Phase On-Grid
- Designed for larger C&I installations
- 10 MPPT trackers
- Advanced protection features
STH3-8kW
Single Phase Hybrid
- Residential energy-storage applications
- Battery-ready hybrid solution
- High efficiency up to 97.6%
STH6-33kW
Three Phase Hybrid
- Commercial energy-storage applications
- Supports compatible battery configurations
- High efficiency up to 98.2%
Need help selecting an inverter?
Share your project requirements with our team and we'll help you identify the suitable Sunways inverter range.
TALK TO OUR TEAM
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WHY CHOOSE SUNWAYS
Engineered for Smarter
Solar Performance.
Sunways inverters combine advanced technology and robust design to deliver higher yield, long-term reliability and efficient system operation.
Higher Energy Yield
Optimized MPPT operation and intelligent control help maximize energy generation across varying operating conditions.
Built for Long-Term Reliability
Robust components and integrated protection features support reliable inverter operation across demanding solar applications.
Smart Monitoring & Control
Monitoring and system management capabilities help simplify performance tracking and day-to-day solar system operation.
Easy to Install & Maintain
Practical product design and flexible system configuration help simplify installation, commissioning and ongoing maintenance.
Trusted Across Solar Projects
Residential, Commercial & Industrial
Cleaner Energy
Global Quality
Sustainable Tomorrow
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WHY SUNWAYS
Precision Technology.
Total Performance.
Sunways inverters combine advanced technology, intelligent control and integrated protection for efficient, reliable solar system performance.
Maximum Energy Yield
High conversion efficiency and flexible MPPT operation help maximize energy generation across varying solar conditions.
Advanced Protection
Integrated protection features help safeguard inverter operation against common electrical and system abnormalities.
Smart Monitoring
Intelligent monitoring and diagnostics simplify system visibility, performance tracking and troubleshooting.
Reliable & Durable
Robust construction and quality components support dependable performance across demanding solar applications.
Built for Every Environment
Engineered and tested to support dependable operation across demanding solar environments.
Robust
Protection Wide Temperature
Operation Integrated System
Protection Durable
Construction
Protection Wide Temperature
Operation Integrated System
Protection Durable
Construction
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CHOOSE BY PROJECT SCALE
The Right Inverter
for Every Project.
Explore Sunways inverter ranges for residential, commercial and industrial solar applications based on project scale and system requirements.
Residential Projects
Homes, villas and small rooftop solar installations.
Recommended Series
STS 3-6kW
Single Phase On-Grid
Use Cases
Rooftop solar systems, homes and small energy requirements.
Commercial Projects
Offices, retail spaces, institutions and commercial rooftop applications.
Recommended Series
STT 4-25kW
Three Phase On-Grid
Use Cases
Commercial rooftops, offices, institutions and medium-scale solar requirements.
Industrial Projects
Factories, warehouses and facilities with higher power requirements.
Recommended Series
STT 30-80kW
Three Phase On-Grid
Use Cases
Industrial facilities, large rooftops and higher-capacity solar installations.
Large C&I Projects
Large commercial, industrial and high-capacity solar applications.
Recommended Series
STT 100-150kW
Three Phase On-Grid
Use Cases
Large factories, high-capacity C&I systems and large commercial solar installations.
Not sure which inverter is right for your project?
Share your project requirements with our team for product selection and Sunways range guidance.
TALK TO OUR TEAM
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COMPARE INVERTER RANGE
Compare. Choose. Perform Better.
Compare key specifications across the Sunways inverter range to identify the most suitable series for your project requirements.
| SPECIFICATIONS |
STS Series
3-6kW
Single Phase On-Grid
|
STT Series
4-150kW
Three Phase On-Grid
|
STH Series
3-8kW / 6-33kW
Single & Three Phase Hybrid
|
|---|---|---|---|
| Type | Single Phase On-Grid | Three Phase On-Grid | Hybrid inverter range |
| Power Range | 3-6kW | 4-150kW | 3-8kW / 6-33kW |
| Max. Efficiency | Up to 98.1% | Up to 98.8% | Up to 98.2% |
| MPPTs | 1 tracker on most models | 2-10 trackers by model | Varies by model |
| Protection | Integrated electrical and system protection | Integrated electrical and system protection | Integrated hybrid system protection |
| Monitoring | Optional communication modules | Optional communication modules | Hybrid system monitoring support |
| Key Strength | Compact residential on-grid range | Scalable commercial and industrial on-grid range | Flexible hybrid energy-storage range |
| Recommended Applications | Residential rooftops, villas and small solar systems | Commercial rooftops, institutions and industrial applications | Residential and commercial hybrid or energy-storage systems |
Need Help Selecting the Right Inverter?
Share your project requirements with our team for guidance on the most suitable Sunways inverter range.
TALK TO OUR TEAM
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APPLICATIONS
Powering Every Application.
Sunways inverter solutions support a wide range of residential, commercial, industrial and hybrid solar applications.
Residential Solar
Efficient inverter solutions for homes, villas and small rooftop solar systems.
Recommended Series
STS 3-6kW
Commercial Rooftop
Flexible inverter solutions for offices, retail spaces, institutions and commercial rooftop systems.
Recommended Series
STT 4-25kW
Industrial Projects
High-capacity inverter solutions for factories, warehouses and industrial solar installations.
Recommended Series
STT 30-80kW
Large C&I Projects
Scalable inverter solutions for larger commercial and industrial solar requirements.
Recommended Series
STT 100-150kW
Hybrid Energy Systems
Hybrid inverter solutions designed to integrate solar generation with compatible battery energy storage.
Recommended Series
STH Hybrid Series
Backup Power Applications
Hybrid inverter solutions for solar systems that require supported battery and backup integration.
Recommended Series
STH Hybrid Series
Not sure which inverter fits your application?
Share your project requirements with our team for guidance on the suitable Sunways inverter range.
TALK TO OUR TEAM
Supporting EPCs, dealers, installers and solar businesses across Gujarat.
Residential On-Grid
Compact Power for Residential Solar
The Sunways STS series offers compact residential on-grid inverter options for small rooftop solar systems.
STS-3KTL-SE-SSTS-3.3KTL-SE-SSTS-3.6KTL-SE-SSTS-4KTL-SE-SSTS-4.6KTL-SE-SSTS-5KTL-SE-SSTS-6KTL-SE-S
- Max efficiency up to 98.1% and MPPT efficiency 99.9%
- IP66 protection degree and transformerless topology
- Integrated reverse-polarity, surge, residual-current, islanding and AC protection functions
- Natural-convection cooling with optional RS485/WiFi/GPRS/LAN communication
View STS Specifications
Rated output range: 3,000W to 6,000W
MPPT: 1 tracker on most models; 4kW model lists 1/1 trackers
Grid type: 220/230V, 50/60Hz
Cooling: Natural convection
Commercial & Industrial
Scalable Inverter Solutions up to 150kW
STT on-grid inverters cover commercial rooftops, industrial facilities and larger distributed solar projects.
STT 4-25kW
Compact C&I Range
Models from STT-4KTL to STT-25KTL for commercial rooftop and smaller C&I projects.
- MPPT
- 2 trackers
- Max efficiency
- Up to 98.6%
- Protection
- IP65
- Cooling
- Natural convection
STT 30-80kW
Mid-Capacity C&I Range
Models STT-30KTL, 36KTL, 40KTL, 50KTL-M, 60KTL-M and 80KTL for higher-capacity sites.
- MPPT
- 2 to 8 trackers by model
- Max efficiency
- Up to 98.8%
- Protection
- IP66
- Cooling
- Smart fan cooling
STT 100-150kW
Large Distributed Projects
Models STT-100KTL-SE through STT-150KTL-SE for industrial and high-capacity projects.
- MPPT
- 10 trackers
- Max efficiency
- 98.8%
- Protection
- IP66
- Cooling
- Smart fan cooling
View STT Model Ranges
STT catalogue model groups include 4/5/6/8/10/12/15/17/20/25kW, 30/36/40/50/60/80kW and 100/110/125/136/150kW ranges. Communication is listed as RS485/WiFi/GPRS/LAN optional.
Hybrid Power
Solar, Battery and Backup in One System
The STH hybrid range integrates PV input, battery connectivity, grid output and backup output for residential and commercial hybrid applications.
STH 3-8kW
Single-phase hybrid range with lithium battery with BMS / lead-acid support, CAN communication and IP66 protection.
STH 6-33kW
Three-phase hybrid range with CAN/RS485 battery communication, backup output and smart fan cooling.
Solar Panels
Hybrid Inverter
Battery
Grid / Backup Loads
Explore Hybrid Models
STH 3-8kW: STH-3KTL-S to STH-8KTL-S, 40-60V battery range, max efficiency 97.6%, MPPT efficiency 99.9%.
STH 6-33kW: STH-6KTL-HT to STH-33KTL-HT, 140-750V or 200-800V battery ranges by group, max efficiency up to 98.2%, UPS switching time under 10ms.
Energy Storage
Flexible Battery Storage for Modern Solar Systems
STE battery products support residential and small commercial energy-storage applications.
STE-MS5
5.1kWh nominal energy
- 4.6kWh usable energy
- 51.2V 100Ah LiFePO4
- CAN, RS485 communication
- IP21, wall mounted indoor installation
STE-MS10
10.2kWh nominal energy
- 9.2kWh usable energy
- 51.2V 200Ah LiFePO4
- CAN, RS485 communication
- IP21, wall mounted indoor installation
STE-NS16
16.4kWh nominal energy
- 14.8kWh usable energy
- 51.2V 320Ah LiFePO4
- CAN, RS485 communication
- IP21, free-stand indoor installation
View STE Battery Details
Catalogue values include round-trip efficiency of 97.5% or higher, natural cooling, operating temperature from -20C to 60C, cycle life above 6,000 cycles at 25C, recommended DOD 90% and 5-year warranty.
Application Selector
Which Sunways Solution Fits Your Project?
Final inverter selection depends on system size, string design, voltage, phase requirements, battery configuration and project conditions.
Technical Downloads
Catalogue and Product Data
The provided Sunways catalogue includes STS, STT, STH and STE product tables.
Grineu Support
Source Sunways Solutions Through Grineu
Get product selection support, availability guidance and B2B supply assistance for Sunways inverter and storage requirements across Gujarat.
Genuine Products
Project-Based Product Selection Support
Ready Inventory
Fast Dispatch Across Gujarat
Dedicated B2B Assistance
FAQ
Sunways Product Questions
Which Sunways inverter is suitable for residential rooftop solar?
The STS series is the residential on-grid range, covering approximately 3-6kW. Hybrid residential needs may fit the STH 3-8kW range depending on system design.
What is the difference between STS, STT and STH series?
STS is residential on-grid, STT is commercial and industrial on-grid, and STH is the hybrid inverter range with PV, battery, grid and backup integration.
Does Sunways offer hybrid inverters with battery backup?
Yes. The catalogue lists STH hybrid inverter ranges with battery input, grid output and backup output information.
Which Sunways series is suitable for commercial and industrial projects?
The STT series covers commercial and industrial on-grid applications from approximately 4kW to 150kW.
What battery capacities are available in the STE series?
The catalogue lists STE-MS5 at 5.1kWh, STE-MS10 at 10.2kWh and STE-NS16 at 16.4kWh nominal energy.
Can Grineu assist with model selection?
Yes. Grineu can support series-level selection and product details. Final model selection depends on project electrical design and site conditions.
Where can I download detailed Sunways specifications?
Use the Sunways Product Catalogue download on this page for detailed model tables and technical data.
Find the Right Sunways Solution for Your Solar Project
Connect with Grineu Solar for product selection, technical details, availability and B2B supply support.