Australia's energy landscape is changing. Sumray ESS is built for what comes next.
About us
Sumray ESS is an innovative energy storage technology company focused on delivering intelligent solar battery and hybrid energy solutions for Australian homes and businesses.
We combine advanced lithium battery technology, smart energy management, and user-friendly software to help households reduce electricity costs and achieve greater energy independence.
Designed for Australian conditions, Sumray ESS products are engineered with safety, performance, and reliability at the core.
Our mission
To accelerate Australia’s transition toward smarter, cleaner, and more sustainable energy through intelligent battery storage solutions.
Why Choose Sumary ESS
Intelligent Energy Management
Smart charging technology maximises solar self-consumption and reduces grid reliance.
Reliable Backup Protection
Automatic backup functionality keeps essential appliances powered during outages.
Safe Battery Technology
Premium LiFePOâ‚„ battery chemistry delivers enhanced safety, stability, and long lifespan.
Scalable Solutions
Flexible modular systems designed for both residential and commercial applications.
Smart Monitoring
Monitor and manage your energy system anytime through the Sumary App.
Australian Support
Dedicated local technical support and installer network across Australia.