SMA Commercial Storage Extension (STOR-EXT-8k-20)
SMA Commercial Storage Extension (STOR-EXT-8k-20)
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SMA Commercial Storage Extension – 20 kWh Extension Module for Photovoltaic Systems
The SMA Commercial Storage Extension (STOR-EXT-8k-20), part of the SMA Commercial Storage series and available through Ecogenera, is an expansion module for photovoltaic storage systems suitable for commercial and industrial applications. It offers a usable capacity of 19.6 kWh with high-efficiency LFP technology, is scalable up to 3 units (60 kWh), and ensures easy integration via CAN-Bus connection, mobile structure, and plug-and-play installation.
Key Features
- Usable capacity of 19.6 kWh – Scalable up to 60 kWh (3 units)
- LFP (Lithium Iron Phosphate) battery – More than 6,000 cycles at 100% DOD
- Active thermal management system – Optimized performance even in critical environments
- CAN-Bus interface – Easy communication with inverter and BMS
- Compatibility with SMA STPS 60-10, Sunny Tripower, and Commercial Storage Solution
- Plug-and-play installation – Mobile structure on wheels, ready to use
Why Choose It
Optimize energy storage with a safe, efficient, and modular solution. The LFP system guarantees maximum stability and long life, while scalability allows for gradual capacity growth, adapting to photovoltaic systems, microgrids, or backup systems.
Technical Specifications
| Brand | SMA |
|---|---|
| Model | Commercial Storage Extension |
| Series | Commercial Storage |
| Product Type | Battery Extension Module |
| Power / Capacity | 20 kWh (19.6 kWh usable) |
| Input / Output | Nominal Voltage 260 V |
| Yield / Efficiency | ≥ 95% round-trip – 100% Depth of Discharge |
| Interfaces | CAN-Bus |
| Protection | IP20 – For indoor environments only |
| Certifications | CE / IEC (see data sheet) |
| Dimensions / Weight | 600 × 650 × 1170 mm – 190 kg |
| Operating Temperature | -10°C / +50°C |
| Warranty | 10 years |
Compatibility
- Inverter: SMA STPS 60-10, Sunny Tripower Hybrid, others upon request
- Batteries/Storage: SMA Commercial Storage Solution
- Monitoring Systems: Sunny Portal, SMA ennexOS
Installation and Use
Floor-mounted on wheels, with simple installation thanks to the plug-and-play system. Communication via CAN-Bus. For indoor environments only (IP20). Installation by certified technicians is recommended.
Frequently Asked Questions
What is the SMA Commercial Storage Extension used for?
It is used to extend the storage capacity of commercial and industrial photovoltaic systems, up to a maximum of 60 kWh with 3 units connected in parallel.
Is it compatible with my system?
Yes, if you use SMA STPS 60-10, Sunny Tripower Hybrid, or SMA Commercial Storage Solution systems. Compatible via CAN-Bus.
What is the difference between this extension and other SMA modules?
This module is based on LFP technology with thermal management and a mobile structure, designed for indoor environments. Other modules (e.g., Extension 30/50) are designed for centralized systems with IP54.
Can it be installed outdoors?
No, it is designed for indoor use, with a protection rating of IP20.
Related products: SMA Batteries | Data sheet
Have questions about sizing or compatibility? Request technical advice.
Related terms and use cases
Synonyms and related queries: STOR-EXT-8k-20, SMA Commercial Storage Extension, LFP battery module, expandable photovoltaic battery, SMA 20 kWh storage, SMA commercial storage, industrial energy backup.
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Important notes: Shipping and order handling costs are not included and will be communicated later during the quoting phase. These costs are due regardless of the chosen delivery method, including pickup at the premises.
Product prices may vary depending on availability and supplier terms at the time of the quote request. Images are for illustrative purposes only and may not accurately reflect the actual product; descriptions may contain errors. We recommend always checking the manufacturer's technical data sheet.
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