We’re excited to announce a new partnership with Solar Wholesalers, a trusted, South Australian-owned solar business with over 15,000 installations under their belt.
Through this partnership offer, MTA SA/NT members can access exclusive member-only pricing for:
- Sigenergy batteries
- 3-phase controllers to support larger energy needs
Solar Wholesalers handle everything in-house, from design to installation and after-sales service, ensuring a quality solution for your workshop or business premises.
This is your opportunity to reduce operating costs and prepare for a more energy-efficient future, with maximum savings available only to MTA members.
This partnership comes just in time to align with the Government’s Cheaper Home Batteries Program—now extended to small businesses.
Cheaper Home Batteries Program – What It Means for Your Business
From 1 July 2025, small businesses may be eligible for up to a 30% upfront discount on eligible battery systems through the Australian Government’s Cheaper Home Batteries Program. The discount applies to systems up to 100 kWh and requires installation by approved providers.
This support helps businesses store solar energy and cut power costs, with rebates decreasing until 2030.
Click here to learn more about the program’s eligibility criteria.
Take advantage of this member-exclusive offer to reduce energy costs and future-proof your business. Download the flyers by clicking the buttons below for full product specs.
If you’re interested in learning more about the products or ready to take the next step toward a quotation, simply complete the expression of interest form by clicking the button below and Solar Wholesalers will be in touch shortly.
FAQs: Sigenergy Batteries & 3 Phase Controllers (via Solar Wholesalers)
🔋 Batteries – General Information
Q1: What type of battery is the Sigenergy Sigen Battery?
A: It’s a LiFePO₄ (Lithium Iron Phosphate) battery, known for its safety, long cycle life, and thermal stability.
Q2: What sizes are available and what is the usable capacity?
A: Battery capacities range from 5.2 kWh to 48.36 kWh usable, depending on configuration.
Q3: How are the batteries installed?
A: They support floor-standing or wall-mounted installation with natural convection cooling and an IP66 rating (high resistance to dust and water).
Q4: Can I expand my battery system later?
A: Yes. The batteries can be connected in parallel, allowing flexibility to expand your system as needed.
Q5: How do I monitor battery performance?
A: Battery status and performance can be monitored through the mySigen app, with real-time insights and AI optimisation.
⚙️ 3 Phase Controllers – System Functionality
Q6: What power output ranges do the Sigenergy 3 Phase Controllers offer?
A: They range from 5.0 kW to 30.0 kW, with on- and off-grid compatibility and black start capability.
Q7: Can the system be used in backup mode during outages?
A: Yes. The controller supports backup power, switching in under 20ms when used with a Sigen Energy Gateway and Sigen Battery.
Q8: How many Maximum Power Point Trackers (MPPTs) are available?
A: Depending on the model, up to 4 MPPTs are available, providing efficient solar input management.
Q9: What battery modules are compatible with the controller?
A: The controller supports SigenStor BAT 5.0 and 8.0 models, with a voltage range of 600–900V and up to 6 battery modules per unit.
🛠️ Installation, Integration & Compatibility
Q10: Is this system compatible with existing solar PV systems?
A: The controller supports high DC/AC ratios (up to 1.6) and nominal DC input of 600V, making it adaptable to most solar PV setups.
Q11: What protections are included in the system?
A: Comprehensive safety features include surge protection, insulation monitoring, arc fault detection, and AC/DC overcurrent and overvoltage protection.
Q12: Is the system compliant with Australian standards?
A: Yes. The components comply with multiple international standards including IEC/EN 62619, IEC/EN 63056, and others.
💬 Contact & Purchase
Q13: Who do I contact to learn more or receive a quote?
A: You can contact Solar Wholesalers, based in Mount Barker, SA. They are a trusted, employee-owned local business and will offer special MTA member pricing.
Q14: Are installation and support services available?
A: Yes. Solar Wholesalers can assist with both installation and ongoing support. It’s best to contact them directly for service inclusions.
Q15: Do these products integrate with other smart energy platforms?
A: Yes. The system includes EMS (Energy Management System) and supports integration via WLAN, Ethernet, RS485, and 4G/3G/2G communications.
