About Fronius International
Fronius has made power electronics for decades and is a premium string inverter brand in Australia. It is often chosen for build quality and local support.
The GEN24 Plus inverters are hybrids: they run your panels and can connect a compatible high voltage battery, such as BYD Battery-Box models, and provide backup power.
Fronius inverters sold in Australia
| Range | Type | Phase |
|---|---|---|
| Primo | String inverter | Single phase |
| Symo | String inverter | Three phase |
| Primo GEN24 Plus | Hybrid inverter | Single phase |
| Symo GEN24 Plus | Hybrid inverter | Three phase |
Fronius warranty in Australia
| Standard | 5 years Fronius Warranty Plus (parts, labour and transport within Australia) |
|---|---|
| Extensions | Can be purchased on Fronius Solar.web while the existing warranty is running |
| Past promotion | 10 years for eligible installs from 1 October 2024 to 31 December 2025, registered on Solar.web |
| Claim documents | Invoice, serial number and compliance certificate |
Check the certificate for your model
Warranty terms differ between models and change over time. Ask your installer for the Australian warranty document for the exact model on your quote, and register the product if the maker requires it.
Fronius strengths and trade-offs
Strengths
Fronius- Strong local service and support
- Hybrid GEN24 Plus can add a battery and backup
- Good monitoring through Solar.web
Trade-offs
Consider- Higher price than budget brands
- Standard warranty is five years unless extended
Usually suits:
- Buyers wanting a premium string inverter with local support
- Homes planning a battery later
Common questions
Fronius is a premium Austrian brand with a long record in Australia and a local service network. It costs more than budget brands.
Every Fronius inverter includes five years of Fronius Warranty Plus covering parts, labour and transport within Australia. Extensions can be bought on Solar.web.
The GEN24 Plus hybrid models can connect a compatible high voltage battery and provide backup power. The older Primo and Symo string inverters need an AC-coupled battery.
Sources
Product and warranty details come from the manufacturer and its Australian warranty documents. Prices, where shown, are industry figures and named. Last checked October 2026. Prices include GST unless we say otherwise.