SAJ 5kW Hybrid Inverter & Battery System Perth
Save Big with WA Battery Rebate
Video Source: GoodWe
Power your home with a smarter, more efficient energy solution from Fusion Sun Solar. Our SAJ 5kW Inverter & Battery System combines advanced hybrid inverter technology with high-performance LiFePO₄ battery storage to help Perth homeowners reduce electricity bills, maximise solar self-consumption, and enjoy reliable backup power during grid outages. Available in both single-phase and three-phase configurations, the SAJ 5kW Hybrid Inverter delivers intelligent energy management, high conversion efficiency, and real-time monitoring for complete control over your home's energy usage.
We offer the SAJ 5kW Hybrid Inverter with 12.8kWh, 19.2kWh, and 25.6kWh high-voltage battery options, allowing you to choose the ideal storage capacity for your household's daily energy requirements. Whether you're installing a new solar and battery system or upgrading an existing solar setup, Fusion Sun Solar provides professionally designed SAJ energy solutions that deliver long-term performance, energy independence, and exceptional value for Perth homes and businesses.
Why Choose the SAJ 5kW Inverter & Battery System?
- Available in both single-phase and three-phase configurations to suit a wide range of residential and small commercial properties.
- High-performance 5kW hybrid inverter with intelligent solar generation, battery storage, and grid management.
- Compatible with 12.8kWh, 19.2kWh, and 25.6kWh SAJ high-voltage LiFePO₄ battery systems for flexible energy storage.
- Fast UPS backup switching in less than 10ms to keep essential appliances running during power outages.
- Advanced Wi-Fi monitoring and smart energy management through the SAJ mobile app for real-time system performance.
- Supports high PV input and up to 200% DC oversizing, helping maximise your solar energy production.
- Durable IP65-rated weatherproof design, suitable for Perth's harsh outdoor conditions.
- Professionally supplied and installed by Fusion Sun Solar, with expert advice, quality workmanship, and reliable local after-sales support.
Which Battery Size is Right for You with SAJ 5kW inverter?
Compare Single Phase vs Three Phase SAJ 5kW Hybrid Inverter
This is the intelligent core of the SAJ Hybrid Energy System, designed to efficiently manage three-phase household loads such as ducted air conditioning, electric vehicle chargers, pool pumps, and other high-power appliances while optimising solar generation, battery storage, and grid usage.
Single Phase vs Three Phase SAJ Hybrid Inverter Specifications
SAJ H2-5K-T2 (Three-Phase Inverter)
(12.8kWh, 19.2kWh & 25.6kWh)
(12.8kWh, 19.2kWh & 25.6kWh)
Indoor & Outdoor Installation
Indoor & Outdoor Installation
SAJ B2 HV1-S High-Voltage Battery Specifications
The SAJ B2 High-Voltage LiFePO4 Battery System is engineered to deliver flexible, scalable, and reliable energy storage for modern Perth homes and businesses. Available in 12.8kWh, 19.2kWh, and 25.6kWh capacities, the SAJ B2 battery series enables homeowners to choose the ideal storage solution based on their current electricity usage while supporting future energy demands. Built with premium Lithium Iron Phosphate (LiFePO4) cell technology, it offers exceptional safety, long cycle life, high energy efficiency, and dependable performance in Australia's demanding climate, making it the perfect companion for the SAJ 5kW Hybrid Inverter.
*Our SAJ 5kW Inverter & Battery System is available with 12.8kWh, 19.2kWh and 25.6kWh SAJ B2 High-Voltage LiFePO4 battery options, allowing Perth homeowners to choose the ideal energy storage solution based on their household electricity consumption and future energy requirements.
Engineered for Safe & Reliable Energy Storage in Perth
- Premium LiFePO4 Battery Technology delivers exceptional safety, long cycle life, and reliable energy storage for residential and small commercial applications.
- Intelligent Battery Management System (BMS) continuously monitors battery voltage, current, temperature, and overall system health to maximise safety and performance.
- High-Voltage Battery System improves charging and discharging efficiency while seamlessly integrating with the SAJ 5kW Hybrid Inverter.
- IP65 Weather Protection provides reliable protection against dust and water, making the system suitable for both indoor and outdoor installations.
- Ultra-Fast UPS Backup (<10ms) ensures essential household appliances continue operating during unexpected power outages.
- Multiple Built-in Safety Protections including over-voltage, over-current, over-temperature, short-circuit and insulation fault protection for dependable operation.
- High Conversion Efficiency helps maximise solar self-consumption and reduce reliance on grid electricity throughout the day and night.
- Smart Energy Monitoring with Wi-Fi, Ethernet and optional 4G connectivity allows real-time system monitoring through the SAJ Smart platform.
- Available in 12.8kWh, 19.2kWh & 25.6kWh Battery Packages to suit different household energy consumption and backup power requirements.
- Engineered for Perth Conditions with durable construction, reliable performance, and intelligent energy management for Australian homes.
Why Perth Homeowners Choose Fusion Sun Solar for SAJ 5kW Inverter & Battery Systems?
Ready to reduce your electricity bills with a SAJ 5kW Inverter & Battery System? Contact Fusion Sun Solar today for a free, no-obligation quote. Our Perth-based solar specialists will help you select the ideal 12.8kWh, 19.2kWh or 25.6kWh SAJ B2 High-Voltage LiFePO4 battery system to match your household's energy usage. With expert installation, advanced hybrid inverter technology, and reliable battery storage, you'll enjoy greater energy independence, lower power costs, and dependable backup power for years to come.
Address: The Garden Office Park, Level 2, Building C, 355 Scarborough Beach Road, Osborne Park, Perth, WA 6017
Phone: (08) 6275 9000
Email: enquiries@fusionsunsolar.com.au
Map Link: maps.app.goo.gl
By submitting this form, you agree to subscribe to our newsletter. Your information will be used, stored, and handled only in accordance with our Privacy Policy.
Frequently Asked Questions
Why choose Fusion Sun Solar for your SAJ 5kW Inverter & Battery System in Perth?
Fusion Sun Solar provides expert system design, Clean Energy Council-compliant installation, premium SAJ products, and ongoing local support. Our team will recommend the ideal 12.8kWh, 19.2kWh, or 25.6kWh battery package to maximise your solar savings, energy independence, and backup power for your Perth home.
Can I monitor my SAJ solar and battery system remotely?
Yes. The SAJ system supports Wi-Fi, Ethernet, and optional 4G connectivity, allowing you to monitor solar generation, battery status, energy consumption, and system performance in real time through the SAJ Smart monitoring platform.
Does the SAJ 5kW Hybrid Inverter provide backup power during a blackout?
Yes. When installed with a compatible SAJ battery system, the inverter features UPS functionality with a backup switching time of less than 10 milliseconds, helping keep selected essential household circuits powered during unexpected power outages.
Is the SAJ 5kW Inverter compatible with high-voltage batteries?
Yes. The SAJ 5kW Hybrid Inverter is specifically designed to work with the SAJ B2 High-Voltage LiFePO₄ Battery System, delivering efficient charging, fast energy transfer, and reliable long-term performance.
How much electricity can a SAJ 5kW Inverter & Battery System save?
Savings depend on your solar generation, household electricity usage, and battery capacity. By storing excess solar energy for use during the evening, many Perth households can significantly reduce their reliance on grid electricity and lower ongoing power costs.