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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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Kuldeep Kaur profile picture
Kuldeep Kaur
31 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
The level of customer satisfaction with this company is unmatched. Harry R, one of their sales representative delivered beyond expectations. He responded to all my questions immediately and resolved my concerns and issues raised with the highest satisfaction. Im a thoroughly satisfied customer. The quality, service and overall experience with him deserves 5 stars. Could not have asked for a better service. Harry R is an asset. Keep up the good work.
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Satisfied Customer
31 October 2026
ProductReview star 1ProductReview star 2ProductReview star 3ProductReview star 4ProductReview star 5Verified
I experienced a seamless solar and battery installation which was coupled with top tier professionalism. From the initial consultation to final power-on, Amazing Solar was outstanding. Harry R, who provided the consultation, took the time to design a custom solar and battery system that fits my energy needs perfectly. Harry explained the set up thoroughly without any pushy sales tactics. As I was totally ignorant on these technical terms, Harry was very patient in answering all issues and concerns raised by me. Highly recommend Amazing Solar for all solar and battery requirements.
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carol goodwin profile picture
carol goodwin
29 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
excellent technical service from Dave and crew. always willing to help.
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Freedy Setiawan profile picture
Freedy Setiawan
28 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
After Sales Service Review: After 8 months, during recent heavy rains, we notice the roof leak due to the broken roof tile adjacent to solar panel bracket. On Monday (26/10/2026) I called up the customer support as well as texted Harry from the Sales team. It was greeted by Spencer whom took all details and passed it onto the technical team for further review. At the same time, Harry called back too and offered his assistance if the case was attended promptly. Soon after Aden from the technical team called and requested few more details which I provided the photo and video clip to assist with their review process. Later Aden came back and advised the installer would come on the next day for visit and rectification work. Unfortunately due to unexpected circumstances, the installer couldn’t make it. Once again Aden kept us informed of the delay and promised to arrange alternative time asap. On Wednesday morning, Aden called and advised that the installer would come later the day which was the case. Thanks Aden for your prompt follow and urgent rectification. This is a testament to Amazing Solar team professionalism and a great customer service. PREVIOUS REVIEW Sometimes the reality doesn’t live up to the name. Amazing Solar has been amazing to deal with. Starting from sales process. Henry has been very helpful and knowledgeable. He listened to our requirements and patiently answered all queries. Instead of pushing for quick sales deal, Henry provided valuable advice and inputs so that we could make a well informed decision. That’s a primary reason that I decided to go with Amazing Solar after a careful consideration of few quotes and dealings with other providers. Customer care team is also amazing. Maya has proactively provided the regular updates. Kelvin is also helpful in getting a resolution without hesitation to bring in his senior team member Daniel for quick resolutions. All of them have been very professional and dealing with us with utmost respect. Not forgetting to mention their installers (Suki and Sammy) have made up overall experience beyond amazing. Keep up the good work!
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Kevin McAllen profile picture
Kevin McAllen
26 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Found the service from the salesperson (Angie) most obliging and attentive. Was most disappointed at being asked by the installation staff to pay an additional fee for the removal and reinstatement of an existing power-point to accommodate the installation of a fibro backing sheet, when the quote was agreed as a fixed price with no more to pay. Settled on a fee to ensure that the job was completed. Quality of the installation appears to be excellent. Now awaiting the inspection and commissioning.

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