Solis 4G Inverter
The Solis 4G Inverter is a compact, transformerless string inverter with high efficiency and dependability, perfect for grid-connected residential and small commercial solar installations. Ginlong Technologies, a leading Chinese inverter manufacturer, designed the Solis 4G series to deliver reliable operation and an intuitive user interface.
It offers seamless rooftop solar panel integration, Wi-Fi monitoring, and export control and reactive power compensation support—an ideal combination for the Australian solar market. With its multi-MPPT design, IP65 water-resistant weatherproofing, and safety complying with Australian standards, the Solis 4G inverter can suit most roof orientations and climate conditions.
The Solis 4G is used universally in residential, school, and commercial buildings seeking low-cost energy systems. With power output form 1 kW, the Solis 4G series can support single and triple-phase configurations for scalability and performance in any solar system application.
Solis 4G Inverter Models
- Solis 4G 3.0kW (Single Phase, Dual MPPT)
- Solis 4G 5.0kW (Single Phase, Dual MPPT, Wi-Fi)
- Solis 4G 10.0kW (Three Phase, Quad MPPT)
About Solis 4G Inverter
If you’re planning a solar system in Sydney, Melbourne, Brisbane, Perth, Adelaide or Canberra, Solis 4G inverter series offers an incredibly competitive balance of efficiency, value, and practical features. Built by Ginlong Technologies, the world’s most seasoned solar inverter manufacturer, the 4G series is gaining attention across Australia as a price-saving solution with complete local compliance and adaptable performance.
These transformerless string inverters are available in both single-phase (3 kW to 6 kW) and three-phase (5 kW to 20 kW) formats, with dual MPPT inputs to optimise energy harvest from split roofs or panel strings facing different directions. Lightweight and manageable, the models supply reliable power in an array of environments—from Sydney rooftop installations in the city to rural Queensland regional installations.
Key Features of the Solis 4G Series
- High Efficiency: Peaking at 98.7% efficiency and 98.1% weighted efficiency according to European standards in three-phase units.
- Dual MPPTs: Maximise output from split-roof or multi-string installations.Smart Grid Support: Volt-Watt and Volt-Var control, arc-fault interruption, and active export management.
- IEC & Australian Certifications: AS/NZS 4777.2 compliant, transformerless design, and full grid compatibility.
- Tough & Weather-Resistant: IP65-rated case, fan-cooled, and −25°C to +60°C operating temperature range, ideal for coastal or inland use.
- Compact & Portable: Typically ~18–19 kg for three-phase systems (~310 × 563 × 219 mm) for easy installation.
- Monitoring Connectivity: RS485 / Modbus with optional web or app-based data logging.
- Quiet Operation: Intelligent fan-cooling keeps noise under 60 dB, ideal for suburbs throughout Australia.
“This flexibility is especially valuable in Australia’s diverse housing styles. You can also learn more about how string inverters work at Energy.gov.au.”
Solis 4G Models Overview
| Model | Output Power | Phase | Application | Key Features |
|---|---|---|---|---|
| Solis-1P3.6K-4G | 3.6 kW | Single | Residential | High MPPT accuracy & compact size |
| Solis-1P5K-4G | 5 kW | Single | Residential | WiFi monitoring, 97.8% efficiency |
| Solis-3P5K-4G | 5 kW | Three | Light commercial & large homes | Dual MPPT, 200–800 V DC range |
| Solis-3P10K-4G | 10 kW | Three | Commercial & large-scale homes | Wide voltage range, max 15A input current |
Want to see which inverters are officially approved for use in Australia? Check the Clean Energy Council’s approved inverter list to make sure your system qualifies for rebates
Solis 4G Series (Single Phase) – Technical Specifications
“If you’re based in Victoria, Solar Victoria offers resources to help you pick the right size system and inverter.”
Advantages and Disadvantage
Advantages:
- Outstanding efficiency achieves maximum energy yield in Aussie sun.
- Affordable and scalable—great value in Sydney or Brisbane installations.
- Australian grid standard accredited, eligible for Clean Energy Council STCs.
- Dual MPPT design supports advanced installations.
- Robust, silent, and lightweight, well-suited to coastal and suburban homes.
Drawbacks
- Limited app monitoring, community reports experience intermittent data logger dropouts.
- Support problems: Some users report post-sales support issues.
- Basic UI and interface, not as refined as premium brands.
- Warranty limitations—standard 5 years, extended coverage is optional and only available to purchase via web portal.
Pricing in Australia (2025)
| Model | Typical Price Range (AUD) |
|---|---|
| Solis-1P3.6K-4G | $750 – $900 |
| Solis-1P5K-4G | $950 – $1,150 |
| Solis-3P5K-4G | $1,100 – $1,350 |
| Solis-3P10K-4G | $1,550 – $1,800 |
Installed system pricing varies by installer, system size, and region.
Why Australians Trust the Solis 4G Series?
Australians trust Solis inverters for their blend of affordability, CEC approval, and reliable performance in diverse climates, from the dry heat of Western Australia to the humid coasts of Queensland. With local support centres in Victoria, IP65 weatherproof ratings, and wide operating temperature ranges, they’re built for Aussie conditions. Homeowners value the ease of installation, rebate eligibility, and solid 5–10 year warranties, while solar installers appreciate their lightweight design and dependable monitoring via the SolisCloud app, making Solis a smart, cost-effective choice across both metro and regional Australia.
Solis 4G by the Numbers
The Solis 4G inverter series has gained impressive traction across Australia, with over 35,000 units installed nationwide by mid-2025. In New South Wales and Victoria alone, Solis 4G models account for nearly 18% of new residential inverter installations, according to Clean Energy Council data. In Queensland, known for its high solar uptake, Solis 4G sales have grown by over 25% year-on-year, particularly in regional hubs like Cairns and Toowoomba. The 4G series is especially popular for its excellent price-to-performance ratio, contributing to Solis becoming one of the top 5 inverter brands installed across the country in both single-phase and three-phase applications.
Ideal for the Modern Aussie Home
For Australian homeowners in 2025 seeking an efficient, affordable solar inverter, the Solis 4G series delivers compelling value. With certification under AS/NZS 4777.2, dual MPPT tracking, and lightweight installation, it’s well-suited for households in Sydney, Melbourne, Brisbane, Perth, Adelaide or Canberra.
If you want high-end features like zero backup, deep analytics, or elite support, premium brands might serve better. But if cost-effectiveness and a CEC-approved inverter are what you need, Solis 4G ticks all the boxes.
“Want more help picking between SMA and other top brands like Fronius? Check our side-by-side inverter comparison guide to see what suits your home best.”
FAQs
- Q: Is Solis 4G battery compatible or hybrid-ready?
A: No—these are grid-tie inverters only. Hybrid or battery integration requires additional battery inverter hardware. - Q: Are Solis 4G inverters eligible for Australian solar rebates?
A: Yes, as long as the model appears on the Clean Energy Council approved list and is installed by a CEC-accredited electrician. - Q: Do they generate noise?
A: Yes—typical noise under 60 dB due to fan; passive models stay quieter. - Q: How reliable is Solis after installation?
A: Solis units have decent reliability, but several users on review platforms cite issues with remote logging or support delays. - Q: Is Solis better than Fronius or SMA?
A: It’s cheaper and CEC compliant, but lacks refinement and after-sales support of European brands. A solid option if you want budget performance.
So, Should I Buy Solis 4G Inverter?
For Australian homeowners in 2025 seeking a budget-friendly, high-performance solar inverter, Solis 4G series offers great value. AS/NZS 4777.2 certified, dual MPPT tracking and light weight installation, making it the best for houses in Sydney, Melbourne, Brisbane, Perth, Adelaide or Canberra.
If you need high-end features like zero backup, in-depth analysis, or high-end support, then high-end brands would be a better choice. But if you need affordability with an inverter that is CEC-approved—Solis 4G is the answer.