Sigenergy battery storage systems are designed for Australian homes, offering a simple and user-friendly way to store and manage energy. This advanced battery storage solution is developed by Sigenergy, a company based in Shanghai, China, specialising in innovative energy storage technology.
This system combines the battery pack, solar inverter, energy management system, and optional EV charger into one integrated and compact unit. Its modular design allows you to easily expand capacity and store excess solar energy for nighttime or peak usage periods.
Installation and commissioning are carried out by the professional Axial team in Melbourne.
Why Choose Sigenergy?
You can add 5 kWh or 8 kWh modules and expand up to 48 kWh capacity. This means you can increase your home energy storage whenever needed.
- LiFePO₄ Battery Chemistry: Sigenergy batteries are built with LiFePO₄ chemistry, offering stability, safety, and long lifespan.
- Optional Bidirectional DC Charger: This charger can send energy from the vehicle back to the home or from the home to the vehicle, giving you full control over your energy.
- High Environmental Resistance: With an IP66 protection rating, the batteries can be installed outdoors and are resistant to water and dust.
- Backup Power Support: In case of a power outage, the battery switches to backup mode within 5 milliseconds, keeping essential home circuits running without interruption.
- Smart Control via App
The SigenStor app, powered by AI, allows you to monitor and optimize energy usage and manage battery charging and discharging.
What Home Size and Consumption Pattern Is Suitable for Sigenergy?
| Home Size | Consumption Pattern | Recommended Battery Capacity |
| 1–2 people | Mostly daytime usage | ~5–10 kWh |
| 1–2 people | Focus on nighttime usage | ~10–15 kWh |
| 3–4 people | Balanced consumption | ~15–25 kWh |
| 4–5 people | High nighttime usage | ~25–35 kWh |
| 5+ people / Small business | Continuous and heavy usage | ~35–48 kWh |
This table is a general guide. For accurate sizing, actual consumption, solar production, and future expansion plans should be assessed. Contact Axial for professional consultation and installation.
Pricing and Value
Sigenergy batteries are competitively priced in the Australian market:
• Average installed price: approximately AUD $1,000 per usable kWh (before rebates)
• Example: 16 kWh system with 5 kW single-phase inverter: approximately AUD $15,987
• Optional 25 kW DC EV charger: approximately AUD $6,000
These prices are indicative and may vary depending on installer and installation conditions. Contact Axial for an accurate quote.
Benefits of Sigenergy for Your Home
- Lower Electricity Bills: By storing excess solar energy, you can reduce grid usage during peak hours or at night.
- Greater Energy Independence: Sigenergy helps reduce reliance on the grid and gives you better control over your home energy.
- Seamless Backup During Outages: During power outages, essential circuits remain powered instantly.
- Modular and Future-Ready Design: You can add new modules without reducing the performance of the existing system.
- Integrated EV Charging
Stored energy can power your home or vehicle, making energy management simple. Contact the Axial team to find the best solution for your home and get a personalised quote.
Sigenergy Battery Models Available in Australia
SigenStor BAT 5.0 and BAT 8.0
• Module size: 5 kWh or 8 kWh
• Stackable up to 6 modules (maximum 48 kWh)
• Built-in hybrid solar inverter
• LiFePO₄ battery chemistry
• Depth of discharge: 97%
• IP66 protection rating
• Weight: 55–70 kg per module
• Mobile app integration with AI optimization
• Warranty: 10 years
• Cycle life: approximately 10,000 cycles
How Sigenergy Works
Sigenergy SigenStor integrates modular LiFePO₄ battery cells, a hybrid solar inverter, an energy management system (EMS), and an optional DC EV charger into one compact and stackable unit. Each module operates independently, so adding or replacing modules does not reduce system performance.
Key Operational Features:
• Modular expansion up to 48 kWh without performance loss
• Direct solar integration to reduce conversion losses
• 5-millisecond switch to backup mode during outages
• AI-optimized charge and discharge cycles for maximum savings and battery lifespan
• Vehicle-to-Home and Vehicle-to-Grid capability
Monitoring & Maintenance
Sigenergy provides one of the most comprehensive monitoring and maintenance experiences available for home batteries through its official mySigen mobile and web app, giving you full visibility into system performance and practical tools to manage your energy effectively.
Real-Time Monitoring & Insights
The mySigen app provides live data on solar production, household consumption, battery activity, and grid interaction. Users can access detailed graphs, historical reports, and technical parameters like state of charge, inverter output, and EV charger activity. Built-in diagnostics and alerts help monitor system health and quickly address any issues.
AI Optimisation & Remote Support
Advanced AI automatically manages charging and discharging cycles, prioritises self-consumption, and reduces peak grid usage to maximise savings. Firmware updates, system adjustments, and troubleshooting can be done remotely, all through an intuitive, user-friendly dashboard.
Technical Specifications (Typical Configuration)
| Feature | BAT 5.0 | BAT 8.0 |
| Chemistry | LiFePO₄ | LiFePO₄ |
| Usable Capacity | 5.2 kWh | 7.8 kWh |
| Expandability | Up to 6 packs | Up to 6 packs |
| Depth of Discharge | 97% | 97% |
| Maximum Output Power | 5 kW | 8 kW |
| Protection Rating | IP66 | IP66 |
| Cooling | Natural convection | Natural convection |
| Installation | Wall / Floor | Wall / Floor |
| Operating Temperature | −20–55°C | −20–55°C |
| Backup Port | Yes | Yes |
| App Integration | Yes | Yes |
| Cycle Life | 10,000 cycles | 10,000 cycles |
| Warranty | 10 years | 10 years |
Smart Considerations Before Choosing Sigenergy
• Ensure compatibility with your solar inverter
• Confirm adequate installation space for stacking modules
• Plan for optional bidirectional EV charging if required
• Size the system based on actual consumption patterns
• Note that Sigenergy is relatively new to the Australian market but offers advanced technology
About Sigenergy
Sigenergy was founded in 2022 by Tony Xu, former President of Huawei’s Fusionsolar division. The company has rapidly grown and offers the flagship SigenStor system, integrating inverter, battery, EMS, and optional EV charger into one unified platform.
Get Your Exact Price
To receive a personalized quote based on:
• your home energy consumption
• solar production
• desired backup capacity
• optional EV charging needs
Contact Axial’s professional consultants to ensure your system is tailored for maximum savings and performance.
FAQs
1. What is the warranty period for Sigenergy SigenStor batteries?
The batteries come with a 10-year manufacturer warranty covering defects in materials and workmanship.
2. How long do the batteries last in terms of cycles?
Sigenergy batteries have a cycle life of approximately 10,000 cycles under normal usage conditions.
3. What sizes and capacities are available?
Modules come in 5 kWh and 8 kWh sizes, stackable up to 6 modules for a maximum of 48 kWh total capacity.
4. Can I install the battery indoors or outdoors?
Yes, the batteries have an IP66 protection rating, allowing safe installation both indoors and outdoors.
5. How much space do I need for installation?
Each module weighs 55–70 kg and can be installed on the wall or floor. The exact footprint depends on the number of modules.
6. How quickly does the battery switch to backup mode during a power outage?
The battery switches to backup mode within 5 milliseconds, keeping essential circuits powered without interruption.
7. Does the system support electric vehicle (EV) charging?
Yes, the optional bidirectional DC charger supports Vehicle-to-Home and Vehicle-to-Grid functionality.
8. Is the system expandable in the future?
Yes, the modular design allows adding new 5 kWh or 8 kWh modules without reducing the performance of existing modules.
9. How is energy usage monitored and managed?
Through the SigenStor mobile and web app, which provides real-time data, historical reports, AI-optimized charge/discharge cycles, and remote system management.
10. What is the estimated cost per kilowatt-hour installed?
The average installed price is approximately AUD $1,000 per usable kWh (before rebates), though exact pricing depends on system size, configuration, and installation.
