Are Sofar Solar Inverters the best choice? Let’s take a look

Blog updated on 31st March, 2025

SOFAR is a top choice for solar inverters in Australia, known for its advanced technology that efficiently converts sunlight into electricity. These inverters maximize energy output, ensuring you get the most value from your solar investment.

These inverters are a popular choice in the Australian solar market for residential, commercial, and industrial use. Their durable design ensures reliable performance in various environmental conditions, making them a great long-term investment.

This review covers SOFAR solar inverters, highlighting their features, design, functionality, efficiency, and monitoring capabilities.

Key Takeaways

  • SOFAR solar inverters are known for their high efficiency (up to 98.7%) and advanced MPPT technology, ensuring optimal energy conversion and performance.

  • They come in various models, including residential, commercial, and industrial inverters, with features like smart monitoring, low start-up voltage, and robust connectivity options.

  • SOFAR inverters are user-friendly, with easy installation and long-term reliability, making them a great choice for both small and large solar systems.

  • Backed by a 10-year warranty and excellent customer support, SOFAR inverters are a cost-effective and eco-friendly option for reducing energy bills.

  • SOFAR is globally recognized for its sustainability efforts and high-quality products, offering a range of inverters suitable for grid-tied and off-grid systems.

SOFAR Inverters Technical Features

SOFAR offers string inverters, hybrid inverters, and microinverters for various solar systems. These inverters include,

1. Power Ratings and Efficiency: The power ratings of these inverters range from 3 kW to 12 kW, achieving a maximum efficiency of up to 98.4% for optimal power conversion and enhanced energy harvest from solar panels.

2. MPPT Tracking: These inverters utilize Maximum Power Point Tracking (MPPT) technology to continuously track and adjust the maximum power output of solar panels.

3. Monitoring and Control Capabilities: SOFAR offers comprehensive monitoring and control solutions for real-time data access, energy production tracking, and prompt detection of issues or faults.

4. User-Friendly Interface & Connectivity:  These inverters feature a large LCD for easy monitoring and system configuration. They also support smart monitoring with multiple connectivity options, including RS485, WiFi, Ethernet, and optional GPRS.

5. Efficiency & Input Voltage Range: These inverters deliver up to 98.4% conversion efficiency, maximizing energy harvest from solar panels for efficient operation. With a 600 V input voltage, SOFAR inverters offer design flexibility and compatibility with various solar panel configurations.

6. Safety Features and Certifications: These inverters hold relevant certifications such as UL and CE, demonstrating compliance with international safety and quality standards and ensuring user confidence in solar system reliability and safety.

Overview of SOFAR Inverters Product Lines

SOFAR offers inverters for homes, businesses, and large solar projects. Their residential inverters are perfect for homes, commercial and industrial inverters are ideal for businesses, and utility inverters are built for big solar installations.

1. Residential Inverters

SOFAR solar inverters

A. SOFAR 1100-3300TL-G3

SOFAR offers efficient inverters for different solar setups. The SOFAR 1100-3300TL-G3 features a single MPPT for optimal energy production with 97.7% efficiency. Its lightweight, IP65-rated design makes outdoor installation easy, and it includes RS485 communication, a zero export function, and optional WiFi or Ethernet for real-time data access.

B. SOFAR 3K-6KTLM-G3

 The SOFAR 3K-6KTLM-G3, a high-efficiency single-phase inverter for residential and small commercial use, boasts dual MPPT capability and 98.4% efficiency, compatibility with bifacial modules, and a natural cooling system. It also includes RS485, Bluetooth, and optional WiFi or Ethernet for grid compliance and data monitoring.

C. SOFAR 7K-10.5KTLM-G3

The SOFAR 7K-10.5KTLM-G3, designed for larger solar systems, offers three MPPTs, optimizing energy harvest with up to 98.1% efficiency. It features smart I-V scanning for fault detection, a low starting voltage, and a wide operating voltage range, ensuring reliable performance even in challenging conditions.

Feature

SOFAR 1100-3300TL-G3

SOFAR 3K-6KTLM-G3

SOFAR 7K-10.5KTLM-G3

Maximum Efficiency

97.70%

98.40%

98.10%

MPPT

Single MPPT

Dual MPPT

Three MPPT

Cooling System

Natural cooling system (fanless)

Natural cooling system (fanless)

Natural cooling system (fanless)

Start-up Voltage

Low start-up voltage

Low starting voltage

Low starting voltage

Communication

RS485

RS485, Bluetooth

Smart I-V scanning technology

Zero Export Function

Yes

Yes

Yes

Connectivity Options

Optional WiFi or Ethernet

Optional WiFi or Ethernet

Optional WiFi or Ethernet

Installation

Lightweight, IP65-rated for outdoor use

Compact and lightweight design

Compact and lightweight design

2. Commercial & Industrial Inverters

SOFAR solar inverters

A. SOFAR 100K-125KTLX-G4

SOFAR offers a variety of advanced inverters for large-scale solar installations. The SOFAR 100K-125KTLX-G4, designed for large systems, features 10 MPPT inputs and a maximum MPPT current of 40A, achieving up to 98.6% efficiency. Its IP66-rated design makes it ideal for outdoor use, offering strong protection against environmental factors.

B. SOFAR 60K-80KTLX-G3

The SOFAR 60K-80KTLX-G3 is built for large projects, with six MPPT inputs, a 40A maximum current, and a peak efficiency of 98.7%. It supports high-power bifacial modules and includes smart I-V curve scanning for fault detection.

C. SOFAR 25K-50KTLX-G3

The SOFAR 25K-50KTLX-G3, with a maximum efficiency of 98.6%, is also compatible with bifacial modules and handles 6 to 8 DC inputs, ensuring reliable energy production for larger solar arrays in various environmental conditions.

Feature

SOFAR 100K-125KTLX-G4

SOFAR 60K-80KTLX-G3

SOFAR 25K-50KTLX-G3

Maximum Efficiency

98.60%

98.70%

98.60%

MPPT

10 MPPT inputs

6 MPPT inputs

6-8 MPPT inputs

Input MPPT Current

Up to 40A

Up to 40A per MPPT

Up to 40A per MPPT

Start-up Voltage

Low starting voltage

Low starting voltage

Low starting voltage

Surge Protection

Type II SPDs for DC and AC sides

Type II SPDs for DC and AC sides

Type II SPDs for DC and AC sides

Redundancy

AC/DC dual power supply redundant design

AC/DC dual power supply redundant design

AC/DC dual power supply redundant design

Communication

Modbus

Modbus

Modbus

Connectivity Options

External WiFi

External WiFi

External WiFi

Compatibility

Outdoor installation, IP66 design

Outdoor installation, IP66 design

Outdoor installation, IP66 design

3. Utility Inverters

SOFAR solar inverters

A.SOFAR 350KTLX0

The SOFAR 350KTLX0 is a powerful three-phase inverter for large solar systems, featuring eight MPPT inputs and 99.05% efficiency. With a 60A maximum MPPT current, it efficiently manages multiple panels, and its 110% overload capacity ensures reliability. It’s also compatible with 500Wp+ modules, supporting advanced solar technologies.

B. SOFAR 255KTL-HV

The SOFAR 255KTL-HV is a high-voltage, three-phase inverter with 12 MPPT inputs and 99.02% efficiency. Its IP66 and C5 protection design make it suitable for outdoor use, while the AC/DC dual power supply and 24-hour monitoring ensure continuous operation. The I-V curve scanning improves fault detection and overall system reliability.

Feature

SOFAR 350KTLX0

SOFAR 255KTL-HV

Maximum Efficiency

99.05%

99.02%

MPPT

8 MPPT inputs

12 MPPT inputs

Input MPPT Current

Up to 60A

Up to 30A per MPPT

Protection Design

IP66 and C5 protection design

IP66 and C5 protection design

String Breaking Protection

Intelligent string-breaking protection

Intelligent string-breaking protection

I-V Curve Scanning Function

Yes

Yes

Redundancy

AC/DC dual power supply redundant design

AC/DC dual power supply redundant design

24-hour Status Monitoring

Yes

Yes

Applications

Large-scale solar projects

Large-scale solar projects

Comparison Between SOFAR vs Goodwe vs Growatt vs Solis

Criteria

SOFAR

Goodwe

Growatt

Solis

Efficiency

High (>97%)

Good (97-98%)

High (>97%)

Good (>98%)

Features

Advanced (e.g., dual MPPT, monitoring)

Multiple MPPT, WiFi

Features like dual MPPT

LCD display, protection

Reliability

Generally reliable

Reliable

Generally reliable

Reliable

Installation

User-friendly

User-friendly

User-friendly

Ease of installation

Monitoring

Advanced monitoring options

Compatible with platforms

Compatibility with systems

Monitoring capabilities

Warranty

10 Years

10 Years

10 Years

10 Years

Build Quality

Solid construction

Robust build

Varies by model

Durable design

Honest Customer Reviews and Installations by Austra Solar Power

Austra Solar Power has installed a range of solar inverters across Australia. Let’s see what some of the customers have to say about their experience.

1. Rhianna Naylor, 10.2 kW System, Caringbah, NSW 2229: “I couldn’t be happier with my solar installation from Austra Solar. The team was professional, efficient, and answered all my questions. My 10.2 kW system has significantly reduced my electricity bills, and I’m thrilled to contribute to a greener planet. Highly recommend!”

3. Bernadette Pasaporte Ponce, 6.6 kW System, Padstow, NSW 2211

Shenzhen SOFARSOLAR Co Ltd 5kW (1 Phase) Review: “The Austra Solar team outdid themselves with our solar panel installation. The quality of the SOFAR inverter and the efficiency of the system have exceeded our expectations. Our energy bills have dropped significantly. A great investment!”

4. Dennis Fielding, 6.6kW System, Bargara, QLD 4670

Shenzhen SOFARSOLAR Co Ltd 5kW Review: “From the initial consultation to the final installation, Austra Solar was nothing but professional. Our 6.6 kW system with a SOFAR inverter works flawlessly, providing us with great savings. A top-notch service!”

5. Kisan Gurung, 10.56 kW System, Seven Hills, NSW 2147

Shenzhen SOFARSOLAR Co Ltd 8kW (1 Phase) Review: “Austra Solar made the process of getting solar panels incredibly easy. The team was knowledgeable and friendly, and the performance of our 10.56 kW system has been impressive. We’re seeing the benefits in our energy bills, and it feels good to be eco-friendly.”

6. Avi Avneet SINGH, 13.2 kW System, Edmondson Park, NSW 2174

Shenzhen SOFARSOLAR Co Ltd 10 kW Review: “Choosing Austra Solar for our 13.2 kW solar installation was the best decision. The efficiency and reliability of the SOFAR inverter are remarkable. Our electricity costs have plummeted, and the service provided by Austra Solar was superb throughout.”

Other Key Things to Consider

1. Awards and certifications: SOFAR Solar is globally recognized as one of the top 5 hybrid inverter manufacturers and a leading string inverter manufacturer in China, according to EUPD RESEARCH. The company has received the “Top Brand PV Award” and was named “Inverter Company of the Year” by EQ International for its excellence in the photovoltaic sector.

2. Warranty and Customer Support:  SOFAR offers a 10-year warranty on their inverters, covering manufacturing defects with options for repair or replacement. Their customer support includes technical assistance, troubleshooting, and warranty-related guidance, available through their website, service hotline, or authorized distributors and installers.

3. User-Friendliness and Installation: SOFAR inverters are easy to use and install. While installation is simple, it’s best to have a professional set it up. They are compact and efficient, with safety features and built-in WiFi for remote monitoring using the SOFAR Solar app or web portal. These inverters can also be expanded as your energy needs grow.

4. Sustainability and Environmental Impact: SOFAR is dedicated to sustainability, earning the Solar Impulse Efficient Solution Label and ISO 14001:2015 certification. Their inverters produce clean energy, and the hybrid models allow for battery storage, reducing grid dependence. SOFAR’s ISO 9001:2015 certification guarantees high-quality, reliable products.

Conclusion

SOFAR is a leading choice for those seeking reliable, high-performance solar inverters with a focus on sustainability. The brand’s commitment to quality and customer support has earned it strong, positive feedback.

With eco-friendly practices and advanced features, SOFAR’s inverters, both three-phase and single-phase, offer efficient solutions for renewable energy, making them a great option for those looking to reduce their carbon footprint.

Contact Austra Solar Power to get the best SOFAR solar inverter for your needs.

Phone: 1300-237-588

Email: info@austrasolarpower.com.au

Frequently Asked Questions About SOFAR Inverters

Answer: SOFAR inverters are known for their reliability and undergo rigorous quality control processes.

Answer: SOFAR offers single-phase and three-phase inverters for residential and commercial projects. Hybrid inverters are also available for systems with battery storage.

Answer: Yes, SOFAR inverters are suitable for both grid-tied and off-grid solar systems.

Answer: SOFAR inverters are designed for easy installation, though professional assistance is recommended.

Answer: Yes, SOFAR inverters have built-in WiFi connectivity for remote monitoring via the SOFAR Solar app or web portal.

Answer: SOFAR inverters typically come with a 10-year warranty.

Answer: Yes, SOFAR has specifically designed models for residential installations.

Answer: Yes, SOFAR offers Three-Phase Solar Inverters suitable for industrial projects.

Answer: Yes, SOFAR inverters are often compatible with battery storage systems.

Awards and certifications received by SOFAR inverters

  1. SOFAR Solar is recognized globally as one of the top 5 hybrid inverter manufacturers, showcasing its leadership in integrating solar and storage technologies.
  2. SOFAR Solar has earned a position among China’s top string inverter manufacturers, as EUPD RESEARCH acknowledged.
  3. The company has received the prestigious “Top Brand PV Award” from EUPD RESEARCH, highlighting its commitment to excellence in the photovoltaic sector.
  4. EQ International has awarded SOFAR Solar the title “Inverter Company of the Year,” a testament to its outstanding contributions and performance in the field.

Warranty and customer support of SOFAR inverters

SOFAR offers a 10 year warranty period for their inverters, and this duration may vary. The warranty often covers manufacturing defects and may provide options for repair or replacement. 

SOFAR aims to provide good customer support for their products. Customer support services include technical assistance, troubleshooting guidance, and information on warranty-related matters. If users have inquiries or require support, they can typically reach SOFAR’s customer support through their official website, customer service hotline, or authorized distributors or installers in your region.

User-Friendliness and Installation

SOFAR inverters are designed with user-friendliness in mind, offering features that facilitate ease of use and installation. SOFAR inverters are generally designed for straightforward installation. However, it is recommended to seek professional assistance to ensure proper setup and connectivity.

SOFAR provides compact and efficient inverter models suitable for residential use, incorporating safety measures required for home installations. The inverters often come equipped with monitoring options, including built-in WiFi connectivity.

This allows users to remotely monitor real-time data through the SOFAR Solar mobile app or web portal. SOFAR inverters can be expanded, offering compatibility and solutions for system expansion as energy needs grow.

Sustainability and Environmental Impact

SOFAR demonstrates a commitment to sustainability and minimizing environmental impact. SOFAR has been honored with the Solar Impulse Efficient Solution Label, recognizing its environmentally friendly solutions. Additionally, they have obtained ISO 14001:2015 certification, reflecting their commitment to environmental management.

SOFAR inverters play a crucial role in solar energy systems by efficiently converting DC electricity generated by solar panels into AC electricity. This process contributes to harnessing clean and renewable energy.

SOFAR hybrid inverters are compatible with battery storage systems. This capability enables the storage of excess solar energy, promoting self-consumption and reducing reliance on the grid. The ISO 9001:2015 accreditation attests to SOFAR’s commitment to quality management procedures, reinforcing its dedication to producing reliable and high-quality inverters.

Conclusion

As the renewable energy landscape continues to evolve, SOFAR remains a contender worth considering for those prioritizing sustainability and seeking reliable, high-performance solar inverters for their projects. SOFAR solar inverters have become preferred among those seeking environmentally conscious renewable energy solutions. 

The overwhelmingly positive customer feedback emphasizes the brand’s commitment to top-notch quality and applauds its exceptional customer support, further solidifying its reputation for excellence. 

A notable aspect of SOFAR’s appeal is its dedication to sustainability, exemplified by its conscientious choice of materials to minimize the carbon footprint associated with its products. This commitment aligns with the growing emphasis on eco-friendly practices within the renewable energy sector.

For those considering the three-phase solar inverter, SOFAR’s offerings are recommended based on their track record of reliability and advanced features. In the Australian market, SOFAR’s single-phase solar inverters have gained prominence in facilitating eco-friendly electricity solutions.