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V-TAC LiFePO₄ 51.2 V 100 Ah 5.12 kWh – Efficient and Safe Energy Storage Solution
The V-TAC LiFePO₄ 51.2 V 100 Ah (model VT-5139) battery is a high-performance and long-lasting lithium iron phosphate unit designed for stable energy storage in solar power systems, backup energy solutions, and off-grid applications.
Main Specifications
| Brand | V-TAC |
| Model | VT-5139 |
| Technology | LiFePO₄ (16 cells in series) |
| Nominal Voltage | 51.2 V |
| Nominal Capacity | 100 Ah |
| Total Energy | 5.12 kWh |
| Operating Voltage Range | 36 – 60 V |
| Max Charge/Discharge Current | 100 A / 100 A |
| Cycle Life | ≈ 5000 (@ 80 %DOD) |
| Communication Ports | RS485, CAN (6 parallel units supported / 15 with controller) |
| Charging Temperature | 0 … +55 °C |
| Discharging Temperature | –20 … +60 °C |
| Storage Temperature | –10 … +55 °C |
| Ambient Humidity | 5 – 95 % |
| Ingress Protection | IP54 (Indoor installation only) |
| Dimensions (W×D×H) | 585 × 565 × 275 mm |
| Weight | ≈ 50.7 kg |
| Certification | UN38.3, CE |
Key Advantages
- 🔋 Long service life: over 5000 charge/discharge cycles with minimal capacity loss.
- 🧠 Smart BMS: protection from over-voltage, short circuit, and over-temperature.
- ⚙️ Parallel connection capability: up to 6 modules (15 with controller).
- 🌡️ Wide temperature range: –20 °C to +60 °C for discharge.
- 🌱 Eco-friendly LiFePO₄ chemistry: non-toxic and maintenance-free.
- 💡 Wall-mount design: space-saving and easy installation.
Applications
- ☀️ Solar energy systems: store and supply renewable power efficiently.
- 🏠 Backup power supply: ideal for homes and critical equipment.
- 🚐 Off-grid and mobile power: perfect for cabins, campers and remote sites.
V-TAC LiFePO₄ 51.2 V 100 Ah 5.12 kWh provides safe, reliable and efficient energy storage for modern power systems, ensuring long-term performance and low maintenance costs.