V-TAC OHS40K-100 – High-Voltage Modular LiFePO4 Energy Storage System 40.96 kWh
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Description
V-TAC OHS40K-100 – High-Voltage Modular LiFePO4 Energy Storage System 40.96 kWh
V-TAC OHS40K-100 is a high-voltage modular energy storage system designed for large residential, commercial and industrial installations. The system consists of LiFePO4 battery modules (VT-OH-5K) stacked on a dedicated base and topped with a BMS control module — everything supplied as a complete set with cabling, ready for installation straight after delivery. The system's high operating voltage ensures effective cooperation with modern hybrid inverters, while the stacked design allows for a compact footprint even in limited spaces. The integrated BMS with CAN communication monitors the voltage, current and temperature of each cell in real time, ensuring the safety and long service life of the entire system. The high ingress protection rating enables installation both indoors and outdoors, and CEI 0-21 certification confirms compliance with European grid-connection requirements.
Key advantages and applications
- Modular stacked construction — flexible system configuration tailored to specific installation requirements
- Durable LiFePO4 (LFP) technology guaranteeing years of maintenance-free operation without the need to replace cells
- Complete set supplied with a base, battery modules, a BMS control module, and communication and power cabling
- High protection rating enabling indoor and outdoor installation without additional covers
- Real-time monitoring with an intelligent SOC algorithm — full control over the system's state
Technical specification
| Storage system | |
|---|---|
| Model | OHS40K-100 |
| Battery type | LiFePO4 (LFP) |
| Number of battery modules | 8 |
| Rated system energy | 40.96 kWh |
| Usable capacity | 32.77 kWh |
| Rated system voltage | 409.6 V DC |
| Recommended charge/discharge current | 40 A / 50 A |
| Cycle life | ≥ 6,000 (25±2 °C, 0.5C/0.5C, EOL 70%) |
| Warranty | 10 years |
| VT-OH-5K battery module | |
| Rated module energy | 5.12 kWh |
| Usable module capacity | 100 Ah |
| Rated module voltage | 51.2 V DC |
| Module dimensions (W × D × H) | 590 × 420 × 194 mm |
| Module weight | 45.6 kg |
| BMS control module | |
| BMS operating voltage | 120–750 V DC |
| Rated/max. charge and discharge current | 40 A / 50 A |
| Communication | CAN |
| BMS dimensions (W × D × H) | 590 × 420 × 165 mm |
| BMS weight | 16.1 kg |
| Operating conditions and installation | |
| Operating temperature — charging | 0 ~ +45 °C |
| Operating temperature — discharging | -10 ~ +55 °C |
| Storage temperature | 0 ~ +35 °C |
| Maximum installation altitude above sea level | ≤ 2,000 m |
| Ingress protection rating | IP65 |
| Installation method | floor-standing |
| Standard compliance | CEI 0-21 |
| General data | |
| System dimensions (W × D × H) | 590 × 420 × 1,453 mm |
| System weight | 389.4 kg |
| Base dimensions (W × D × H) | 590 × 420 × 80 mm |
| Base weight | 8.5 kg |
| Monitored parameters | system voltage, current, cell voltage, cell temperature, module temperature |
| SOC algorithm | intelligent algorithm |
| Set contents | 1× base, 8× VT-OH-5K battery module, 1× BMS control module, 2 m communication cable, 25 mm² / 2 m power cable |
| EAN | 3800170224339 |
Files to download:
Technical data
| Usable capacity [kWh] | 32.77 |
| Continuous power [kW] | 16.38 |
| Peak power 10 s [kW] | 20.48 |
| Maximum current [A] | 50 |
| Chemistry | LFP |
| Lifespan [cycles] | 6000 |
| IP rating | 65 |
| Min. charging temp. [°C] | 0 |
| Max. charging temp. [°C] | 45 |
| Min. discharge temp. [°C] | ‑10 |
| Max. discharge temp. [°C] | 55 |
| Min. modules [pcs] | 3 |
| Max modules [pcs.] | 8 |