Voltertech Co.,Limited
| Physical Architecture | Eight - Level Rack Battery Stack |
| Maintenance Access | Front - Service Modular Arrangement |
| Structural Planning | Heavy Rack and Floor Load Assessment |
| Packaging Details | Heavy-Duty Wooden Case with Protective Foam |
| Inverter Topology | High - Voltage PCS or Hybrid Conversion Platform |
| Payment Terms | L/C,T/T,Western Union |
| Delivery Time | 10-15 Days for Samples; 30-40 Days for Bulk Production |
| Storage Capacity Segment | 40kWh - Class Modular Energy Bank |
| Solar Shifting with Reserved Backup Energy | Dedicated Indoor Battery Room |
| Project Selection Focus | Capacity - to - Footprint Optimization |
| Supply Ability | 5000 Units per Month |
| Operating Strategy | Solar Shifting with Reserved Backup Energy |
| Certification | CE , MSDS , UN38.3 |
| Brand Name | Voltertech |
| Place of Origin | China |
| Model Number | BAT-40KWH-51.2V-RM-Q |
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Product Specification
| Physical Architecture | Eight - Level Rack Battery Stack | Maintenance Access | Front - Service Modular Arrangement |
| Structural Planning | Heavy Rack and Floor Load Assessment | Packaging Details | Heavy-Duty Wooden Case with Protective Foam |
| Inverter Topology | High - Voltage PCS or Hybrid Conversion Platform | Payment Terms | L/C,T/T,Western Union |
| Delivery Time | 10-15 Days for Samples; 30-40 Days for Bulk Production | Storage Capacity Segment | 40kWh - Class Modular Energy Bank |
| Solar Shifting with Reserved Backup Energy | Dedicated Indoor Battery Room | Project Selection Focus | Capacity - to - Footprint Optimization |
| Supply Ability | 5000 Units per Month | Operating Strategy | Solar Shifting with Reserved Backup Energy |
| Certification | CE , MSDS , UN38.3 | Brand Name | Voltertech |
| Place of Origin | China | Model Number | BAT-40KWH-51.2V-RM-Q |
| High Light | 448V High Voltage Battery System ，Modular High Voltage Battery System ，40.96kWh Modular Battery System | ||
40.96kWh 448V Modular High Voltage Battery System with Eight Rack Modules
This 40.96kWh modular high voltage battery system uses eight 51.2V 100Ah LiFePO4 modules to create a nominal 448V battery bank. It is designed for storage projects where capacity, rack footprint and high-voltage PCS integration must be balanced within one coordinated system.
Increasing the number of series-connected modules raises the complete battery voltage and stored energy without increasing the system amp-hour rating. This allows a 40kWh-class battery bank to remain organized in a vertical rack architecture.
The module stack should be evaluated against the available cabinet height, service access and floor loading. The project should not be approved from electrical capacity alone.
Energy Density in the Rack
Eight modules provide a larger energy reserve while using a repeated mechanical format that simplifies cabinet planning.
Module-Level Handling
Individual modules can be transported and placed separately instead of moving the complete battery weight as one enclosure.
Service Access
The rack layout should preserve access to module connections, LCD information and the system output cable route.
A 40.96kWh high voltage battery system can be evaluated for larger solar self-consumption, scheduled energy use and backup-reserve projects.
The project calculation should identify normal daily energy movement, backup reserve and the maximum time available for recharging. Selecting a large battery without sufficient charging energy can prevent the system from restoring capacity between operating cycles.
The PCS determines AC power and conversion control, while the battery provides stored DC energy. Both values should be selected from the intended operating profile.
The eight modules have a combined net weight of approximately 384kg. The battery rack, fixing method and supporting floor should be evaluated for the complete installed weight.
Each module is 440 × 480 × 150mm. Space is also required for interconnection cables, DC protection, output connections and safe inspection access.
The eight individual shipping cartons have a combined gross weight of approximately 432kg before pallets and external packing are included.
The IP20 battery modules require a controlled indoor technical environment with no condensation and restricted access.
| System Composition | 8 × 51.2V 100Ah Rack Modules |
| Nominal Storage Energy | 40.96kWh |
| Nominal Battery Voltage | 448Vdc |
| Operating Voltage Range | 371.2–448Vdc |
| Charge and Discharge Current | 50A Normal / 100A Maximum |
| Battery Interfaces | LCD / CAN / RS485 |
| Module Enclosure Size | 440 × 480 × 150mm Each |
| Combined Module Weight | Approx. 384kg Net / 432kg Gross |
| Installation Conditions | IP20 / -10°C to 50°C / 0–95% Non-Condensing |
No. The rack must accommodate eight modules plus cables, protection equipment and service clearance.
The product is specified as one coordinated series battery bank. A different topology requires a separate system design.
It is the nominal DC energy. Usable AC energy depends on PCS efficiency and system settings.
No. The documented humidity range requires non-condensing conditions.
Check the rack load rating, floor capacity, fixing method, access route and module service clearance.
Evaluating a 40kWh-class modular battery bank?
Company Details
Business Type:
Manufacturer
Year Established:
15 Years
Total Annual:
5000000-10000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
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