SMA Commercial System Extension 50 (ESSX-EXT-50-20)
SMA Commercial System Extension 50 (ESSX-EXT-50-20)
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SMA Commercial System Extension 50 – 56 kWh Expansion Module for Photovoltaic Systems
The SMA Commercial System Extension 50 (ESSX-EXT-50-20), part of the SMA Commercial Storage series and available through Ecogenera, is a high-capacity expansion module for energy storage systems designed for commercial and industrial photovoltaic applications. It offers 56 kWh of pre-installed capacity, expandable up to 10 battery modules, with Samsung SDI Li-NMC cells and a 1C charge/discharge rate for maximum flexibility, safety, and performance.
Key Features
- 56 kWh nominal capacity – Ideal for high-demand commercial applications
- Modular expansion – Up to 10 battery modules
- Samsung SDI technology – High-performance Li-NMC prismatic cells
- 1C charge/discharge rate – Maximum energy responsiveness
- Compatible with SMA Commercial Storage Solution 50
- IP54 protection rating – For indoor or outdoor installations
Why Choose It
It increases storage capacity in a scalable and safe manner thanks to its compact design, high-performance Samsung SDI cells, and durable IP54 structure, optimized for commercial and industrial systems requiring reliability and power.
Technical Specifications
| Brand | SMA |
|---|---|
| Model | Commercial System Extension 50 |
| Series | Commercial Storage |
| Product Type | Battery expansion module |
| Power / Capacity | 56 kWh |
| Input / Output | 600 V – 1,000 V (800 V nominal) |
| Performance / Efficiency | 100% depth of discharge – 1C/1C rate |
| Interfaces | Connection to the SMA Commercial Storage Solution 50 system |
| Protection | IP54 – Type II overvoltage protection on the DC and AC sides |
| Certifications | CE / IEC (see official data sheet) |
| Dimensions / Weight | 1200 × 800 × 600 mm – 250 kg |
| Operating Temperature | -25°C / +60°C |
| Warranty | 10 years (refer to SMA terms and conditions) |
Compatibility
- Inverter: SMA Sunny Tripower Storage 50
- Batteries/Storage: SMA Commercial Storage Solution 50
- Monitoring Systems: SMA Data Manager M, Sunny Portal, ennexOS
Installation and Use
Quick installation in indoor or outdoor environments, with a direct connection to the SMA Commercial Storage Solution 50 system. Designed for SMA-certified installers. Installation time: 2–3 hours.
Frequently Asked Questions
What is the SMA Commercial System Extension 50 used for?
It is used to increase the energy storage capacity of commercial photovoltaic systems by expanding SMA Commercial Storage Solution 50 systems by up to 10 battery modules.
Is it compatible with my system?
Yes, if your system uses the SMA Commercial Storage Solution 50 system and compatible inverters. It operates within a voltage range of 600 to 1,000 V.
What is the difference between SMA Commercial Storage and System Extension 50?
The Commercial Storage system is the main battery, while the System Extension 50 (ESSX-EXT-50-20) is the 56 kWh expansion module, which can be further expanded by up to 10 modules.
Can it be installed outdoors?
Yes, thanks to its IP54 protection rating and high thermal resistance (-25°C / +60°C).
Related products: SMA Batteries | Data sheet
Have questions about sizing or compatibility? Request technical advice.
Related terms and use cases
Synonyms and related queries: photovoltaic battery expansion module, SMA Extension 50, ESSX-EXT-50-20, 56 kWh storage system, SMA Commercial Storage 50, modular photovoltaic system, solar energy storage.
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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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