Skip to main content
Contact Us
+27 (0)74 603 8197
contact_form
18.00 kWh 51.2V LiFePO4 (LFP) StorageDOCK Battery

18.00 kWh 51.2V LiFePO4 (LFP) StorageDOCK Battery

The Storagedock ES18K is an ultra-high-capacity 51.2V LiFePO4 battery, representing one of the most powerful single-unit solutions for large-scale energy storage. Delivering a massive 18kWh of total energy, this unit features bolted Grade A Prismatic cells and a 10-year warranty, providing an elite power foundation for heavy-duty residential, commercial, and industrial 48V systems.

R66 386,87 excl.VAT

PRODUCT INFORMATION

DESCRIPTION

06

Monumental Energy Density & Industrial Build

The Storagedock ES18K (51.2V / 352Ah) is engineered for environments that demand maximum energy reserves and uncompromising durability. It is constructed with bolted Grade A LiFePO4 Prismatic cells clamped at 5000N and protected by MICA-based dividers to ensure ultimate structural and thermal stability. Providing 14.4kWh of usable energy at 80% Depth of Discharge, it is designed to sustain high-performance loads with a professional-grade service life.

Intelligent Monitoring & System Management

Stay in complete control with the ES18K’s advanced digital ecosystem. The unit features an integrated 3-page color touch screen for real-time local data access, supplemented by a Bluetooth App for mobile monitoring on both Android and iOS. For seamless system-wide integration, it includes CAN-bus communication fully compatible with Victron Energy ecosystems, delivering precise SOC (State of Charge) and SOH (State of Health) data while recording all historic performance parameters.

Elite Protection & Exceptional Scalability

Safety is managed by a heavy-duty 300A BMS and an integrated 300A circuit breaker with trip function. To maintain the health of the massive 352Ah cell pack, a 3A active cell balancer works continuously to ensure perfect voltage equilibrium across all cells. For massive industrial requirements, up to 8 units can be connected in parallel, creating an expansive 144kWh energy storage bank. The unit is housed in a rugged polymer-coated steel shell with a galvanized steel internal cell pack, designed for professional wall or floor installation.

Key Product Specifications

  • Battery Type: Grade A LiFePO4 Prismatic Cells (Bolted)
  • Nominal Voltage: 51.2 VDC
  • Total Energy Capacity: 18 kWh (352 Ah)
  • Usable Energy: 14.4 kWh (@ 80% DoD)
  • User Interface: 3-Page Color Touch Screen & Bluetooth App
  • Communication: CAN-bus (Victron Interface)
  • Protection: 300A BMS & 300A Circuit Breaker with trip function
  • Recommended Inverter: 15kVA
  • Scalability: Parallel up to 8 Units (144kWh Total)
  • Warranty: 10 Years / 3000 Cycles @ 80% DoD

Downloads

Documentation

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 Unit 19 Sandpiper Crescent, Cape Town, 7560, 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. Sundock Energy 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 sundock@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 074 603 8197 or sundock@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 Sundock Energy, 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 request our Privacy Policy or contact our support team. 
  • Your trust matters to us.
​Terms Changes
  • At Sundock Energy, 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.

Related products