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Code (SKU):
ES18K
250514_ES18K_02
Storagedock
Lithium LiFePO₄ Batteries

18kWh 48V LiFePO₄ Storagedock Battery

The ES18K 18kWh 48V LiFePO₄ Storagedock Battery, proudly manufactured in South Africa, offers an 18 kWh capacity and 352 Ah rating. This compact, 143kg battery utilizes prime-life LiFePO₄ cells for exceptional performance and longevity, guaranteeing at least 4000 cycles at 80% Depth of Discharge (DoD). It includes an intelligent BMS for health monitoring and protection against overcharging/discharging.

Retail price: R73,656.00 excl. VAT
Dealer price: R66,960.00 excl. VAT

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PRODUCT INFORMATION

DESCRIPTION

Overview The 18kWh 48V LiFePO₄ Storagedock Battery (ES18K) is a proudly South African-built solution for advanced energy storage. Designed with a durable metal enclosure and compact form factor, this battery delivers power, performance, and safety at scale. It’s ideal for demanding solar and backup applications.

Key Features

  • Energy Capacity: 18 kWh total energy capacity, 14.4 kWh usable at 80% DoD.
  • Battery Chemistry: Grade A LiFePO₄ prismatic cells, welded for durability.
  • Smart BMS: Proprietary intelligent BMS with two 200 A modules () for maximum safety and control, actively monitoring and managing battery health.
  • Cycle Life: Ensures at least 4000 cycles at 80% DoD.
  • Communication: Built-in CAN-bus for inverter integration.
  • Scalable: Up to 8 units can be connected in parallel.
  • Warranty: 10-year / 4000 cycles @ 80% DoD warranty for peace of mind.
  • Nominal Voltage: 51.2 V.
  • Nominal Ah: 352 Ah.
  • Max Charge Current: 320 A.
  • Max Discharge Current: 400 A.
  • Weight: 143kg (unpackaged).
  • Dimensions: .

Applications

  • Residential hybrid solar systems
  • Off-grid power setups
  • Commercial backup storage

This battery is engineered for performance and longevity, and comes fully supported by Specialized Solar Systems, a leader in custom solar energy solutions, manufactured at 43 Ossie Urban Street, Tamsui Industria, George, South Africa.

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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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