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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.
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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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Anthony S.
11 October 2026
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Amazing Solar were outstanding throughout the entire quoting, purchase and installation. We obtained quotes from four different companies, and also consulted the CEC before making our decision, and Kasper and the team from Amazing Solar were able to provide us with all of the relevant information and pricing straight away… no hidden surprises or costs. I have no hesitation in recommending them if you’re looking for a Solar and/or battery solution.
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Ghaelle
7 October 2026
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Dave from Amazing Solar was incredibly helpful, professional, knowledgeable, and supportive throughout.
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Hardik
6 October 2026
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I would like to thank Harry and Dave from Amazing Solar on the throughout help for the new battery installation and technical support. Harry has been excellent in communication and providing the best offer and the best products, brands when it comes to the home battery related requirements as per my personal experience. Dave has been absolute gem in terms of helping from technical issues perspective. He'd make sure that all the technical issues are resolved and keep an eye on the progress on the issues if at all and make sure that they all get resolved timely. I would like to thank Amazing Solar for their great before and after sales services so far. I'd like to recommend Amazing Solar to anyone who is looking for solar and home battery installation.
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Ana
4 October 2026
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Proactive, helpful and attended to my queries promptly and efficiently.
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John Braun
3 October 2026
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Highly recommend Amazing Solar.Ben & Emily and the installer team were so professional and efficient during the whole process of installing my new Solar/battery/panel system.Inatallers did an amazing job and were there,on time,kept me informed during the whole installation. Cleaned up beautifully on completion of job.Amazing Solar supplied/installed a quality product at a great price.I looked at 4 other suppliers,got quite frustrated with 2 well known suppliers .Ben and his team at Amazing Solar know their products.Thank you Amazing Solar.Cheers John😄😄

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