Powering Australia’s Smart Energy Future
Advanced solar battery and hybrid energy systems designed for intelligent energy independence, backup protection, and long-term savings.
Key highlights
Built to Last . Up to 27 Years.
Engineered for up to 27 years or 10,000 charge cycles at 80% depth of discharge, the Sumray battery delivers decades of reliable service and a lower lifetime cost per kWh.
Triple-Layer Safety Architecture
Advanced protection goes beyond industry standards with a dual polarity isolator for emergency shutdown, parallel battery architecture so a single module fault won't take down the system, and built-in aerosol fire suppression for rapid internal fire protection.
Performance That Doesn't Freeze
An integrated battery heating system enables reliable cold-weather charging and improved winter performance, keeping the unit operating confidently from 0°C and below through 50°C extreme heat.
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.
Drop us a line
Fill out this form and we’ll get back to you.
1800 722 958
info@sumrayess.com.au