The Vanguard™ 48V 3,5kWh fixed commercial battery (Fi3.5) is engineered for rugged reliability and superior lifecycle value, making it ideal for electrified unmanned systems and commercial off-road platforms. Expanding Vanguard’s lithium-ion portfolio, the 48V Fi3.5 offers a robust mid-voltage solution tailored for OEMs seeking a high-performance alternative to traditional lead-acid systems. Designed for seamless integration into industrial, construction, and agricultural applications, this battery delivers long-lasting power and dependable operation across harsh and variable environments.
- Durable: Tested under extreme environmental conditions, the Fi3.5 is built to endure thermal stress, mechanical shock, vibration, and particulate exposure—ensuring consistent performance across demanding operational landscapes.
- Intelligent & Safe: An integrated Battery Management System (BMS) delivers real-time oversight of voltage and temperature at the cell bank level, ensuring stable energy delivery while maintaining stringent safety margins.
- Efficient Maintenance: The modular Cell Module Assembly (CMA) is engineered for easy access and targeted diagnostics, allowing maintenance personnel to monitor and service battery health with speed and precision.
- Flexibility: Supports industry-standard CANbus J1939 communication, allowing straightforward compatibility with a wide range of OEM system architectures.
Features & Benefits
- Enhanced Durability
Housed in a robust, fully sealed aluminum diecast case, the Fi3.5 provides superior resistance to vibration, ingress, and environmental degradation. - Maximum Efficiency
Designed for extended service life, this battery delivers up to 2,000 cycles at 80% capacity with minimal maintenance throughout its lifecycle. - Simplified Diagnostics
Onboard protocols utilize standard CANbus messaging, enabling rapid fault detection and streamlined system troubleshooting. - Effortless Integration
Dual CANbus interfaces offer plug-and-play compatibility, with one adhering to J1939 for standardization, and a secondary channel designed for smooth integration with proprietary OEM communication platforms—no reconfiguration needed. - Trusted System Monitoring
Advanced BMS logic actively regulates thermal and electrical variables, delivering continuous operational insight and reinforcing system reliability.
Specifications
| Nominal Voltage: | 51.6 V |
| Top Voltage (IEC 61960): | 58.8 V |
| Cutoff Voltage: | 35.0 V |
| Nominal Capacity: | 67.5 Ah / 3.5 kWh |
| Communication Protocols: | J1939 (29-bit), CAN Open (11-bit) |
| Discharge Temperature Range: | -20°C to +70°C |
| Charging Temperature Range: | 0°C to +45°C |
| Durability (Cycles): | Up to 2,000 cycles at 80% capacity |
| Parallel Capability: | Yes, up to 10 batteries |
| Standard Charge Time: | 4 hours |
| Rated Discharging Current: | 29 A |
| Ingress Protection Rating: | IP56 |
| Warranty: | 8-year commercial limited warranty |
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