The Pylontech Fidus PRO (5,12 kWh, 48V/51,2V)
The Pylontech Fidus PRO (5,12 kWh, 48V/51,2V) Fidus is a robust, low-voltage LiFePO₄ storage system for PV systems, ideal for residential and commercial applications. It offers 95% DoD (usable energy ~4,86 kWh), high power output (1C continuous), and is suitable for outdoor use thanks to its IP65 certification and integrated heating. It is modularly expandable and compatible with many inverters. With a capacity of 4,8 kWh per unit, Fidus is a robust and safe energy storage solution for residential use, designed for reliable operation in extreme temperatures from -20°C to 55°C. Engineered for reliability, the system offers seamless grid switching, robust overload protection, and remote monitoring, delivering stable and flexible energy for homes, farms, and small commercial applications – even in humid, coastal, or dusty environments. The storage solution is designed to maximize self-consumption and provide reliable backup power.
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Features
- Flexibility: Modularly expandable, suitable for low-voltage systems
- High safety & lifespan: LiFePO₄ technology with over 6000 cycles
- Cold operation: Pro version with integrated heating function for cold environments
- Power: 5,12 kWh nominal, 100A continuous charging/discharging (1C)
- Suitable for outdoor use: IP65 protection and C5-M corrosion protection
Technical details
| Model | FB-L-5.12-EU | FB-L-5.12-EU-Pro |
|---|---|---|
| Nominal voltage (V DC) | 51,2 | |
| Nominal capacity (kWh) | 5,12 | |
| Usable capacity (kWh) | 4,86 | |
| Discharge depth (%) | 95 | |
| Dimensions (mm) | 630 * 170 * 363 | |
| Weight (kg) | 45 | |
| Discharge voltage (V DC) | 42,5 to 56,8 | |
| Charging voltage (V DC) | 56 to 56,8 | |
| Maximum continuous charging/discharging current (A) | 100/100 | |
| Peak charging/discharging current (A) | 103-120 for 2 minutes / 121-200 for 15 seconds | |
| Communication | CAN, RS485 | |
| Configuration (maximum quantity in a battery group)* | 20 | |
| Configuration (maximum number of strands)* | 6 | |
| Operating temperature (°C)** | -10~55 (Standard version) | -20~55 (Self-heating Vision) |
| Storage temperature (°C) | -20 ~ 60 | |
| Short current/duration (A/1 ms) | <1.000 | |
| Cooling method | All-natural | |
| Class | I | |
| IP protection class of the enclosure | IP65K | |
| Corrosion Protection | C5-M | |
| Humidity (% relative humidity without condensation) | 5 to 95 | |
| Height (m) | ≤4000 | |
| Certifications | IEC62619, IEC63056, VDE2510-50, IEC62477-1, UN38.3, RoHS, Reach, WEEE, EMC/CE | |
| Lifespan (years) (25 °C/77 °F) | 15 | |
| Cycle life (25°C/77°F)*** | 8000 | |
| interaction | LED, Bluetooth and Wi-Fi (optional) | |
| * LV-HUB-V2 required for parallel connection of multiple groups; each group supports up to 19 batteries. ** Self-heating is activated between -20 °C and -10 °C; charging/discharging is only permitted above -10 °C. The BMS limits the current in extreme temperatures. temperatures. *** Data based on 25 °C, C-rate 0,5 and 5-95 % SOC. |
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