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SAJ Battery

SAJ is a Chinese company specializing in solar inverters and energy storage solutions, with a notable presence in the Australian market. Established in 2005, SAJ has expanded its offerings to include advanced energy storage systems tailored for residential and commercial applications.

Product Range in Australia:

  1. B2 Series Lithium Batteries:  These modular batteries utilize LiFePO4 (Lithium Iron Phosphate) technology, known for safety and longevity. Each module offers 5.12 kWh of energy, and systems can scale from 5.12 kWh up to 25.6 kWh, providing flexibility for various energy needs. The design supports both wall-mounted and ground-mounted installations, with an IP65 rating for outdoor suitability. Features include remote firmware upgrades and CAN communication for seamless integration with energy management systems.
  2. HS2 All-In-One Systems: These systems combine a hybrid solar inverter with modular battery units, streamlining installation and operation. The HS2 series is available in single-phase and three-phase configurations, accommodating different household power setups. The single-phase system supports up to 18 kWh of usable storage, while the three-phase system extends up to 22.5 kWh. Both systems are designed for efficient energy conversion and storage, enhancing self-consumption of solar energy.

Market Position:

Positioned at the budget-friendly end of the market, SAJ aims to make energy storage solutions more accessible. While their products are competitively priced, potential customers are encouraged to consider factors such as performance, durability, and after-sales support when evaluating their offerings.

In summary, SAJ provides a range of scalable and affordable energy storage solutions in Australia, backed by local support and a decade-long warranty, catering to diverse energy requirements.

DOWNLOAD PRODUCT DATASHEETS

1) SAJ B2 Series Lithium Battery

The B2 Series Lithium Battery is a high-performance energy storage solution designed for residential and commercial applications. It features a modular design, allowing scalability up to 25.0 kWh, making it adaptable for various energy needs.

Key Features 
  • Battery Technology: Utilizes LiFePO4 (Lithium Iron Phosphate) cells for enhanced safety, reliability, and longevity.
  • Modular Scalability: Configurations available from 5.0 kWh to 25.0 kWh, with multiple modules combined for higher capacities.
  • Depth of Discharge (DoD): Up to 90%, ensuring efficient energy utilization.
  • Efficiency & Performance:
    • Usable Energy: Ranges from 4.5 kWh to 22.5 kWh depending on the model.
    • Nominal Voltage: Scales from 102.4V to 512V, optimizing compatibility with various inverter systems.
    • Operating Voltage Range: Extends from 89.6V to 576V, depending on configuration.
  • Charge & Discharge:
    • Max Charge Current: 30A
    • Max Discharge Current: 30A
  • Cooling System: Passive cooling through natural convection for silent operation.
  • Ingress Protection: IP65-rated, ensuring resistance to dust and water, making it suitable for outdoor installation.
  • Mounting Options: Supports wall-mounted or ground-mounted configurations.
  • Remote Monitoring & Firmware Upgrades: Enables easy system updates and performance monitoring.
  • Operating Temperature:
    • Charging: 0°C to 50°C
    • Discharging: -10°C to 50°C
    • Supports ambient humidity from 0 – 95% (non-condensing).
  • Communication Protocol: CAN-based communication for system integration.
  • Warranty: 5 to 10 years, ensuring long-term reliability.
For more information please click here –

Frequently Asked Questions

Solar batteries offer several benefits, including increased self-consumption of solar energy, reduced reliance on the grid, energy independence, and backup power during grid outages. They can also help maximize the financial returns on your solar investment by optimizing energy usage and reducing energy bills.

Solar batteries work by storing excess electricity generated by solar panels during periods of high solar production. The energy is stored in the battery and can be discharged later when solar production is low or during a power outage. Solar batteries are typically integrated with solar inverters and managed by energy management systems to optimize energy flow and usage.

The lifespan of a solar battery can vary depending on factors such as the battery chemistry, depth of discharge, operating temperature, and maintenance. Generally, solar batteries have warranties ranging from 5 to 15 years, and their lifespan can extend beyond the warranty period with proper care and usage.

Solar panels can still generate electricity during the day, but without a battery, any excess energy not used immediately is typically exported back to the grid. A solar battery allows you to store that excess energy for later use, maximizing your self-consumption and reducing reliance on the grid.

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Pushparasa Natarasa
24 September 2026
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Had an amazing experience working with Amazing Solar! Patrick was incredible and made the entire process so easy and stress-free. He walked me through everything and made my work effortless thank you Patrick I really appreciate it. Highly recommend their services!👍🏼
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TA2
24 September 2026
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AN EXCELLENT END TO END EXPERIENCE I installed 11.3kW of solar panels in April 2026. Kasper from Amazing Solar was a proactive, responsive sales consultant who clearly explained system options and guided me through quoting and planning. Quotes were fast, and the price was competitive, which made the decision easy. Installation scheduling took a few weeks, and then another four weeks for the inspector — a bit frustrating, especially since follow-up calls promised by the service team didn't always come through. On installation day, Zahir and his team were friendly, professional, and careful not to crack roof tiles, and left the work area clean. It unfortunately took another 4 more weeks for the system to be commisioned by the inspector and I had raised it with the customer service team. After going live, the system showed persistently low generation. This took considerable effort to diagnose, involving close coordination with GoodWe, and eventually the GoodWe inverter itself was replaced. That fixed part of the issue, but generation was still lower than expected, so a second round of diagnostics was needed. This whole process was case-managed by Dave, the technical team lead, who worked across GoodWe, my distributor United Energy, Advantage Solar (Battery provider) and my retailer OVO to track it down — the remaining cause turned out to be the 5kW grid export limit not being actioned by United Energy following the inverter swap. To Dave's credit it was his persistence that got it resolved. Credit also to GoodWe for lending support to the entire process. This whole experience justified paying a premium over a smaller installer with a limited service proposition. Amazing Solar's size and market presence gives me confidence that after-sales support will be there when needed. This is critical for solar installations as they rarely work perfectly from the start. Was a long journey with its ups and downs but 5 stars for sales AND Service.
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Yu Ming Ong
11 September 2026
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Thank you Ben and his team for an amazing seamless journey of solar and battery installation. My system is working perfectly. No issues.
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Yu Ming
11 September 2026
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Easy seamless amazing installation of solar panels and battery. Wide range of products available according to your budget and experience installer
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Kalps
9 September 2026
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Long overdue review - I installed Solar panels through Amazing Solar Sol'n few years ago due to quality products at competitive price they offered. My experience with the Team at Amazing Solar has been extremely well. Team has been very quick to resolve my inquiry and provided great customer service. Recently, due to some technical issue, inverter stopped working. Jessica (Jess) from Technical team jumped on the board to assist when I contacted to Amazing Solar. Jess was able to find the tech issue in no time and organised replacement inverter. Jess provided an exceptional customer service and kept me updated with the real time updates. Kudos to Jess for your willingness to assist professionally and providing an exception service ✨. One wouldn't expect such an amazing customer service after few years of Solar Panels Installation. It seems Amazing Team is working at Amazing Solar. Keep up the great work Jess and Team .

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