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48V-15kVA-36kWh-9900W-Off-Grid
15kVA-inverter
ES18K
Victron Cerbo GX-S solar system management system
  • 48V-15kVA-36kWh-9900W-Off-Grid
  • 15kVA-inverter
  • ES18K
  • Victron Cerbo GX-S solar system management system
Off-grid Solar Power Systems

48V 15kVA 36kWh 9810Wp Off-Grid Solar System

High-capacity off-grid solar system with an integrated backboard assembly, engineered with pre-wired components for seamless installation, delivering continuous and reliable power for demanding energy needs.

The 48V 15kVA 36kWh 9810Wp Off-Grid Solar System is a complete solution for energy independence. It includes a Victron inverter, Storagedock lithium battery storage, solar PV panels, monitoring, and protection, all pre-assembled and professionally wired on a backboard for fast, efficient installation.

> Tech details..

System Description

The 48V 15kVA 36kWh 9810Wp Off-Grid Solar System provides a high-capacity and reliable solution for running large homes or demanding applications off-grid. It combines proven Victron technology with high-performance lithium battery storage to deliver stable power throughout the day and night.

In addition, all core components are pre-assembled, pre-wired, and mounted on a dedicated backboard assembly. This structured design keeps wiring neat, reduces installation time, and improves overall system reliability. As a result, installers can complete deployments faster while maintaining a clean and consistent setup.

Key Components

The system includes the following core components:

  • Inverter/Charger: Victron MultiPlus-II 48/15000/200-100 230V inverter that converts battery power into usable AC electricity and supports generator integration when required.
  • Solar Charge Controllers: 2 × Victron SmartSolar 250/100 MPPT controllers that regulate solar input and ensure efficient charging.
  • Batteries: 2 × Storagedock ES18K lithium batteries providing 36kWh of reliable, maintenance-free energy storage.
  • Solar Panels: 18 × 545Wp solar panels delivering a total of 9810Wp of clean energy generation.

What’s Included

The system is supplied as a fully integrated backboard solution. Therefore, it arrives ready for installation with all major components mounted and connected:

  • Backboard assembly with mounted components, wiring, and protection
  • Cerbo GX device with enclosure for monitoring and control
  • DC and AC protection, including DC DBs and AC sub distribution board (AC1/AC2)
  • 2 × combiner boxes (3-in-1) and communication cabling (VE.Direct, RJ45, and dual-band communication cable)
  • Battery cable kits for secure and reliable connections

What’s Not Included

  • Installation labour, site wiring, trunking, and mounting hardware
  • Standby generator (system supports generator integration if added)
  • Final AC connections and Certificate of Compliance (COC)

Main Benefits

  • Pre-Assembled Backboard Design: All components are mounted and wired for faster and cleaner installation
  • High-Capacity Off-Grid Performance: Designed to support larger loads and demanding applications
  • Integrated System Design: All components work together for stable and efficient operation
  • Remote Monitoring: Full system visibility through the GX platform

In summary, the 48V 15kVA 36kWh 9810Wp Off-Grid Solar System offers a structured and ready-to-install solution that simplifies deployment while delivering dependable off-grid power for larger energy demands.

Furthermore, this system reflects Specialized Solar Systems’ commitment to quality, consistency, and continuous improvement. Each unit is carefully assembled using trusted components and proven configurations, forming part of a growing range of high-quality solar solutions built for long-term performance.

Overview of Off-Grid Solar Systems

An off-grid solar system operates independently from the utility grid. It generates electricity from solar panels and stores energy in batteries for later use. As a result, it is ideal for remote locations or for users who want full energy independence.

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Retail price: R263,966.37 → R239,371.25 excl. VAT

Inverter

15kVA Victron Multiplus

Battery

2 x ES18K LiFePO₄ (36kWh)

MPPT

2 x 250/100 Victron SmartSolar

PV Panels

18 × 545W Solar Modules

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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
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  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.
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​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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