Fogstar
Fogstar Energy 48.3kWh 51.2V Modular Battery Stack *DUE MARCH
Fogstar Energy 48.3kWh 51.2V Modular Battery Stack *DUE MARCH
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SKU:FSG-48V-48.3KWH
Fogstar Energy 48.3kWh Modular Battery Stack (FE51.2-48.3)
The Fogstar Energy 48.3kWh Modular Battery Stack is a high-capacity LiFePO₄ energy storage system engineered for residential, commercial, and light industrial applications. Designed to deliver reliable, long-term performance, this modular solution combines high energy density with advanced safety systems and exceptional scalability.
Each stack is constructed from three 16.1kWh battery modules, managed as a single integrated system by a top-mounted control unit and supported by a dedicated base plate. This modular architecture simplifies installation, handling, and future expansion, making it ideal for both new installations and phased energy projects.
Download the datasheet for Fogstar Energy 48.3kWh Modular Battery Stack here.
System Overview
Each 48.3kWh stack is assembled within a single enclosure containing three 16.1kWh battery modules. Once installed, the top-mounted control unit manages all modules as one unified battery system, streamlining commissioning, monitoring, and maintenance.
The system is designed to scale effortlessly. Multiple stacks can be connected in parallel, allowing capacity to expand from a single 48.3kWh system up to a total of 1.23MWh, making it suitable for growing energy demands or staged deployments.
Key Features & Benefits
- High-Capacity Modular Design – 48.3kWh per stack, built from three 16.1kWh modules
- Massively Scalable – Parallel connection of multiple stacks up to 1.23MWh total capacity
- Advanced Safety Systems – Integrated heating and built-in fire suppression
- Long Cycle Life – Up to 8,000 cycles at 91% depth of discharge
- Top-Mounted Control Unit – Manages the entire stack as a single battery system
- IP65 Rated Enclosure – Suitable for demanding indoor and protected outdoor environments
- High Power Capability – Supports up to 300A charge and discharge currents
- Flexible Communications – CAN and RS485 for inverter and EMS integration
Technical Specifications
| Specification | Value |
|---|---|
| Model | FE51.2-48.3 |
| Rated Energy | 48.3 kWh |
| Nominal Voltage | 51.2 V |
| Operating Voltage Range | 43.2 – 57.6 V |
| Capacity | 314 Ah |
| Configuration | 3 × 16S1P (three 16.1kWh modules) |
| Cycle Life | 8,000 cycles at 91% DOD |
| Maximum Charge Current | 300 A |
| Maximum Discharge Current | 300 A |
| Working Temperature (Charge) | 0 – 45 °C (with integrated heating) |
| Working Temperature (Discharge) | -20 – 45 °C |
| Communications | CAN / RS485 |
| Ingress Protection | IP65 |
| Weight | 394 kg |
System Scalability
- Single stack capacity: 48.3kWh
- Parallel expansion up to 1.23MWh total system capacity
- Ideal for residential, commercial, and light industrial energy storage projects
