AMVOLT 50 kWh LV Energy Module
AMVOLT 50 kWh LV Energy Module
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AMVOLT 50 kWh LV Module (LiFePO4)
Czech modular electrical energy storage system with a capacity of 50 kWh
The storage system is prepared for Victron Energy technology as standard. The most common extension is network inverters communicating in AC coupling. The power and communication transfer point of the battery storage system is always clearly defined. It is therefore possible to use it for other various user solutions.
Basic connection of the 50 kWh module

Battery module features
A structurally and design-wise open electrical energy storage system assembled from individual battery cells and standardized electrical components. Customers receive a solution tailored precisely to their needs, equipment with above-standard service life and usability, remote monitoring and servicing.
The module is assembled from the highest quality and safest lithium battery technology available, based on high-capacity ThunderSky Winston LiFeYPo4 power cells in safe 48 V low-voltage modules. The basic 50 kWh module is assembled from 16 pcs TSWB-LYP1000AHC 3.3 V cells. Thanks to the robustness of the cells and power balancing, maximum power and capacity are always available.
The module is mounted in a robust metal structure that can be adapted to the spatial possibilities of the installation. The system includes DC switchboards containing safety elements, disconnecting elements, and a control system (BMS), switchboards for intensive cell balancing, and a switchboard for power distribution between modules and inverters. A power communication interface for other DC connections (inverters, chargers, PV fields, etc.) is always defined, and compatibility with the AC part of the installation (consumption, supply, AC coupling, etc.) is ensured.
The module is most often concentrated together with related technology in the technical room of the building. It is also possible to distribute it throughout the building or in a container. The most suitable solution is chosen based on an assessment of the initial situation (location of the PV array, distribution switchboards, available space, etc.).
Customers can choose the scope of services during the equipment's life cycle (remote monitoring, periodic servicing, etc.). The delivery includes complete documentation and operator training. Thanks to the standardization and availability of all module parts, reliable post-warranty service is ensured, and selected parts can be given a "second life" in other assemblies in the future.
Basic technical parameters of the module:
| Parameter | Value Module 50 kWh |
Note |
|---|---|---|
| Nominal capacity (kWh) | 52,80 | For new cells with positive tolerance |
| Recommended capacity usage (kWh) | 48,00 | Saves battery power and service interventions |
| Nominal voltage (V) | 52,8 | |
| Operating voltage (V) | 49,5 – 55,5 | Set limits in the follow-up system |
| Max. charging current/power (A/kW) | 600/30 | Limited by electrical circuit elements |
| Recommended charging current/power (A/kW) | 500/25 | Saves battery power, power circuit, and service interventions |
| Max. discharging current/power (A/kW) | 600/30 | Limited by electrical circuit elements |
| Recommended discharging current/power (A/kW) | 500/25 | Saves battery power, power circuit, and service interventions |
| Operating temperature during discharge (°C) | -5 to +40 | Positive temperatures are recommended |
| Operating temperature during charging (°C) | 0 to +40 | |
| Cycle life (80% DoD cycle) | More than 7000 | |
| Guaranteed total stored energy (MWh) | 295 | For further specifications, see the warranty conditions |
| Weight of cells (kg) | 656 | Set of 16 pieces for one module |
| Weight of standard construction (kg) | 240 | Approximate value, including RDC |
| Total weight of the module (kg) | 960 | Approximate value – depending on equipment |
| Dimensions of the structure W/H/D (mm) | 2200/1360/790 | 2200 × 1360 × 790 mm |
| Covering of live electrical parts (IP) | IP 20 | DC switchboard IP 40 |
| Communication interface (CAN, Ethernet) | Web interface, control, monitoring | Victron as standard, others by agreement |
Use of modular electrical energy storage:
- For industrial and residential projects
- For new and existing installations
- For the economic management of electrical energy produced in the facility (ESS, UPS, etc.)
- For cooperation with the distribution network (Peak Shaving, SPOT, etc.)
