At Poly Engineering Pty Ltd, we design and install smart home energy systems tailored to your family's lifestyle. By combining high-efficiency solar panels, intelligent inverters, and advanced battery storage, we help you capture free sunshine during the day to power your home through the night.

Premium Solar Panels We Install:
We source tier-1, internationally recognized solar panels engineered for maximum power output and durability in harsh Australian climates.


Jinko Solar,Trina Solar:
Global market leaders featuring advanced N-type technology, superior low-light performance, and robust 15-to-25-year product warranties.

JA Solar**: High-performance modules equipped with excellent mechanical load resistance and long-term cell degradation protection.

AE Solar: Premium German-engineered solar panels designed with advanced hot-spot protection and industry-leading performance guarantees.


World-Class Solar & Hybrid Inverters

The inverter is the brain of your solar system. We install any major inverter brand to match your system design, performance requirements, and budget:


Fronius**: Austrian-engineered premium inverters (such as the GEN24 Plus hybrid range) offering unmatched safety, whisper-quiet operation, and a standard 10-year warranty.

SMA**: Renowned for rock-solid European build standards, heavy-duty industrial reliability, and robust protective housing.

Brand-Matched Inverters**: We seamlessly deploy matching hybrid inverters from Sungrow, GoodWe, and Solis to optimize communication and efficiency across your entire panel-and-battery ecosystem.


Our Battery Lineup & Warranties

Pair your solar panels with an intelligent storage system. Every residential battery solution we install comes with a comprehensive 10-to-12-year manufacturer warranty backed by local Australian offices:


Fox ESS**: Features an elite 10-to-12-year warranty (model dependent) guaranteeing high capacity retention over time.

Sungrow & GoodWe**: Feature robust 10-year product and performance warranties that integrate natively with their respective hybrid systems.

Dyness**: Engineered for heavy residential deep cycling, carrying a 10-year manufacturer warranty covering up to 8,000+ life cycles.

Solis, Hinen, & ESY Sunhome**: All variations feature premium 10-year Australian-backed protection, providing intelligent app controls and automated safety cut-offs.