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Code (SKU):
ES5.4K
250529_ES5.4K_02
Storagedock
Lithium LiFePO₄ Batteries

5.4kWh 48V LiFePO₄ Storagedock Battery

The 5.4kWh 51.2V LiFePO₄ Storagedock Battery is compact, safe, and scalable – ideal for residential or commercial solar and backup systems. Built with top-grade LiFePO₄ cells, it ensures long-lasting performance and efficiency. Compatible with leading inverter brands like Victron Energy, it features a built-in BMS for cell-level protection and monitoring, delivering peace of mind and lower total cost of ownership.

Retail price: R24,225.96 excl. VAT
Dealer price: R22,023.60 excl. VAT

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PRODUCT INFORMATION

Weight (unpackaged)

45kg

Dimensions

550mm x 510mm x 170mm

Warranty Period

10 Years

Cycles

4000 cycles @ 0.5C 80% DoD

DESCRIPTION

The ES5.4K is a proudly South African-built solution for advanced energy storage. With a durable galvanized steel enclosure and compact design, this battery delivers reliable power, performance, and safety at scale. It is ideal for residential, commercial, and industrial backup applications.

Key Features

  • Energy Capacity: 5.4 kWh total, 4.32 kWh usable @ 80% DoD
  • Battery Chemistry: Grade A LiFePO₄ prismatic cells, bolted for durability
  • Smart BMS: Single 100 A module (100 A × 1) for maximum safety and control, actively monitoring battery health
  • Cycle Life: 4000 cycles @ 80% DoD
  • Communication: Built-in CAN-bus and Bluetooth connectivity via the BMS Meta App
  • Scalable: Up to 8 units in parallel
  • Warranty: 10 years / 4000 cycles @ 80% DoD
  • Nominal Voltage: 51.2 V
  • Nominal Ah: 106 Ah
  • Max Charge Current: 80 A
  • Max Discharge Current: 100 A
  • Protection: 125 A circuit breaker with trip

Applications

  • Home and office backup power
  • Hybrid and off-grid solar systems
  • Energy storage for peak shaving
  • Telecom and industrial backup systems

Storagedock Batteries – Proudly South African engineering. Proven technology. Trusted support.

Manufactured and supported by Specialized Solar Systems, 43 Ossie Urban Street, Tamsui Industria, George, South Africa.

5.4kWh 48V LiFePO₄ Storagedock Battery Data Sheet REV 01

Downloads

Datasheet & Information
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Terms & conditions

Terms and Conditions for Online Sales: By proceeding with a purchase, you acknowledge and accept the terms stipulated herein. For further information, guidance, or to initiate a purchase, do not hesitate to contact us.

Thank you for your interest in Specialized Solar Systems

Orders, Pricing and Collection:
  1. Currently, only one of each product can be added to your shopping cart. 
  2. All prices displayed are exclusive of shipping costs and are based on ex-factory rates in George, Western Cape, South Africa.
  3. The listed prices are subject to potential fluctuations and remain valid for a 24-hour duration.
  4. Once your EFT payment is reflected in our account, customers are welcome to arrange collection at the Specialized Solar Systems factory located in George.
  5. Specialized Solar Systems can arrange courier pricing upon request. Please include the delivery address with your order.
Payment Process
  1. After completing your order, an email will be sent to you containing your unique order number along with the details of your order. You will also receive our banking information.
  2. To facilitate payment, we only accept Electronic Funds Transfers (EFT).
  3. When making your EFT payment, always ensure a reference to your order number business, or surname. This helps ensure the accurate and efficient processing of your payment. Please email PoP to accounts@specializedsolarsystems.co.za
  4. Once your EFT payment is reflected in our account, you will receive a tax invoice via email. This invoice will serve as confirmation of your payment and order details.
  5. Please ensure that your EFT payment is successfully processed and cleared in our bank account before requesting an update to coordinate the collection or status of your order.
Assistance and Inquiries
  1. Should you require any assistance or have questions, feel free to reach out to our dedicated customer support team at 044 878 1126 or info@specializedsolarsystems.co.za.
  2. If you haven’t already, we recommend considering an energy audit to help tailor our products to your specific needs.
  3. As part of our comprehensive service, we offer a skilled team of installers with a nationwide presence.
  4. Our experienced network of installers is well-equipped to ensure the smooth setup and integration of your chosen power system.
Privacy and Security
  • At Specialized Solar Systems, we take your privacy and the security of your information seriously. Here’s how we ensure your data is protected:
  • Data Protection: We handle your personal information with care and strictly adhere to applicable data protection laws.
  • Secure Transactions: Our website uses industry-standard encryption to secure your online transactions, keeping your payment information safe.
  • Limited Access: Only authorized personnel have access to your data, and it’s used solely for order processing and communication purposes.
  • No Selling: We never sell your personal information to third parties. Your privacy is our priority.
  • For more details, please refer to our Privacy Policy or contact our support team. 
  • Your trust matters to us.
​Terms Changes
  • At Specialized Solar Systems, we may update these terms and conditions from time to time. Here’s what you should know:
  • Any changes to these terms will be posted on our website. We may also notify you via email if the changes significantly impact your transactions with us.
  • Review the Updates: It’s your responsibility to review the updated terms. Continued use of our services after changes are made indicates your acceptance of the revised terms.
  • Effective Date: The date of the latest update will be clearly mentioned at the beginning of the revised terms.
  • We appreciate your understanding and encourage you to stay informed about our policies.

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