SAJ Battery Technology: Next Generation Energy Storage
Smart Design, Modular Flexibility, Australian Standards
SAJ Battery Systems for Perth Homes
Smart Energy Storage Solutions for WA
SAJ (Guangzhou Sanjing Electric Co. Ltd) is a Chinese manufacturer founded in 2005, specializing in solar energy solutions. The company celebrates 20 years of innovation in the energy sector, with headquarters located in Guangzhou City, China.
SAJ operates as a global inverter company providing professional solar power solutions and advanced solar inverters. Beyond solar equipment, they also manufacture smart pumps and control systems for pumps and electric motors.
Product Portfolio
Solar Inverters: Residential and commercial solar inverters
Battery Storage Systems: Home battery systems with stackable modular battery units that provide flexibility with storage capacity
Hybrid Systems: Combined inverter and battery solutions
SAJ has established a notable presence in the Australian market, with dedicated Australian operations and product offerings tailored for local conditions.
Advanced Features of SAJ Battery
Cutting edge capabilities to maximize your solar investment.
SAJ batteries utilize premium LiFePO4 chemistry, delivering exceptional safety, longevity, and performance. This proven technology provides over 6,000 charge cycles while maintaining stable power output throughout the battery’s lifespan.
- Intelligent Battery Management System: Smart monitoring automatically optimizes performance, protects against overcharging, and extends battery life.
- Modular Scalable Design: Start with 5.12kWh and expand up to 20.48kWh. Stackable modules allow easy upgrades without replacing existing equipment.
- Weather-Resistant Construction: IP65 rated housing operates efficiently in temperatures from -10°C to +50°C, perfect for Perth’s climate.
Fast Charging Capability - High-speed charging technology: captures maximum solar energy during peak generation hours.
- Smart Home Integration: Wi-Fi connectivity and mobile app provide real-time monitoring and system control from anywhere.
- Superior Round Trip Efficiency: Industry leading 95%+ efficiency minimizes energy loss and maximizes your solar investment.
- Comprehensive Safety Protection: Multiple safety layers with Australian certifications ensure safe, reliable operation.
Get Your Free SAJ Battery Quote Today!
Transform Your Perth Home with Professional SAJ Battery Installation.
Ready to slash your electricity bills and achieve energy independence? Our certified SAJ battery specialists provide personalized quotes tailored to your Perth property unique energy needs.
To get started, simply fill out this form. Our team will be in touch to guide you through the complete SAJ battery installation process.
Why Perth Homeowners Choose SAJ Battery
Proven reliability and performance in WA climate
- Proven Australian Performance: Engineered for Australian conditions with thousands of successful Perth installations and local support network.
- Exceptional Value for Money: Premium LiFePO4 technology at competitive prices without compromising on quality or safety.
- Future Proof Modular Design: Stackable modules allow easy expansion from 5kWh to 25kWh as your energy needs grow.
- Extended Warranty Protection: 10 year comprehensive warranty with defect protection and performance guarantees.
- Smart Energy Management: Advanced BMS automatically optimizes performance and maximizes battery life.
- Perth Climate Optimized: Weather resistant design performs efficiently in WA’s extreme temperature variations.
- Rapid Return on Investment: Maximize solar savings and reduce grid dependency with efficient energy storage.
SAJ Battery Technical Specifications
Detailed performance data and system requirements
SAJ batteries combine cutting edge lithium iron phosphate technology with intelligent management systems to deliver reliable, long lasting energy storage for Perth homes. With over 6,000 charge cycles, modular scalability up to 25kWh, and comprehensive 10 year warranty coverage.
- Battery Type: High voltage cobalt-free LiFePO4 (Lithium Iron Phosphate)
- Voltage Configuration: High voltage DC system optimized for residential applications
- Safety Chemistry: Cobalt free design eliminates thermal runaway risks for enhanced safety
- Construction: Sheet metal shell with stacking structure and modular design
- Installation Options: Compatible with wall-mounting and stacking installation methods
- Maintenance: Easy to install and maintain with modular design
- Warranty Period: 10 years comprehensive coverage Performance
- Guarantee: Minimum 60% capacity retention after 10 years Local
- Support: Australian service network and technical assistance
SAJ B2-5.0-HV5-S Battery Specs
No. of Modules
1 to 5
Rated Energy [kWh]
5.0 to 25.0
Usable Energy [kWh]
4.6 to 23
Weight [kg]
52.5 to 262.5
Nominal Voltage [V]
Charger Voltage [V]
89.6 to 576.0
Max. Charge Current
50 [A]
Max Discharge Current
50 [A]
Control Module Dimension [mm]
220 * 626 * 365
Control Module Weight [kg]
11
SAJ Inverter System
Seamless integration for optimal performance & Virtual Power Plant (VPP) Ready Systems
SAJ is a global inverter company based in China that provides professional solar power solutions and advanced solar inverters. SAJ has been awarded the Top 10 solar inverter brand in China for 5 consecutive years and became a global Top 10 residential inverter in 2018.
1. String Inverters (R Series)
Single-phase: 1kW to 6kW models
Three-phase: Available for larger installations
Up to 98.6% efficiency rating
Can typically handle 133-150% oversizing
2. Hybrid Inverters
H1 Series: 3kW to 6kW for small to medium residential systems, designed for DC-AC conversion and battery charging with island mode capability
H2 Series: High-voltage hybrid inverters for new residential installations, 3-10kW output range with 3 smart operating modes
SAJ positions itself as a cost-effective solution provider while maintaining quality and innovation in solar inverter technology.
FAQs about Solar Battery Storage in Perth WA
How fast is the backup switchover during blackouts?
With a hybrid inverter and backup circuit, SAJ batteries switch over in under a second.
Can SAJ batteries be retrofitted to existing systems?
What are the safety and protection features?
SAJ batteries are typically certified under recognized international and regional standards, including (model dependent):
🔹 IEC 62619 – Lithium battery safety
🔹 UN 38.3 – Transport safety certification
🔹 IEC 61000 – Electromagnetic compatibility
🔹 IEC 62109 – Inverter/energy system safety
Australian installations also require compliance to:
🇦🇺 AS/NZS 5139 – Battery storage safety standard
🇦🇺 CEC Approved Components (inverter & battery)
SAJ systems are listed on the CEC Approved Products database for residential installations across Australia.
What are the key specifications of SAJ B2 battery modules?
B2 battery is a high voltage lithium battery (LiFePO4) of 5.12kWh with 4.5kWh of useable energy storage when new. It is a cobalt-free LiFePO4 battery with sheet metal shell, compatible with wall mounting and stacking installation methods.
How expandable is the SAJ battery system?
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