Overview
The VT-42-PB Series Outdoor/Indoor Battery Cabinet is a backup energy storage solution designed to provide 48VDC backup power when the AC grid supply is unavailable.
The series is available in two capacity options:
- VT-42-PB50: 50Ah / 2.5kWh
- VT-42-PB100: 100Ah / 5kWh
Both models feature 48VDC operation, battery cell protection and monitoring, active cell balancing, Bluetooth remote monitoring, cooling fans, thermal insulation and an IP55 outdoor-rated enclosure.
Feature
- 48VDC backup power during AC power failure.
- Available in 50Ah and 100Ah configurations.
- Battery cell monitoring and protection.
- Protection against over-charge and over-discharge conditions.
- Active cell voltage balancing.
- Bluetooth remote monitoring and management.
- Compatible with solar power systems and UPS.
- 1.2–1.5mm powder-coated metal enclosure.
- Suitable for both Outdoor and Indoor installation.
- IP55 outdoor protection.
- Integrated 2 × 48VDC cooling fans.
- Internal thermal insulation.
- Corrosion, vibration and pest protection.
- Bottom cable entry/exit design.
Specifications
| Specification |
VT-42-PB50 |
VT-42-PB100 |
| Rated Voltage |
48VDC |
48VDC |
| Operating Voltage |
42–54VDC |
42–54VDC |
| Capacity |
50Ah |
100Ah |
| Energy |
2.5kWh |
5kWh |
| Recommended Charge/Discharge Current |
~26A |
~50A |
| Max. Continuous Charge/Discharge |
~26A |
~50A |
| Max. Instantaneous Charge Current |
50A (1C) |
100A (1C) |
| Max. Instantaneous Discharge Current |
50A (1C) |
100A (1C) |
| Cycle Life |
≥4,000 cycles |
≥4,000 cycles |
| 0–100% Charging Time |
5.5–6.5 h* |
9–10 h* |
| Cooling |
2 × 48VDC fans |
2 × 48VDC fans |
| Outdoor Protection |
IP55 |
IP55 |
| Operating Temperature |
-30 to 55°C |
-30 to 55°C |
| Storage Temperature |
-30 to 60°C |
-30 to 60°C |
| Relative Humidity |
0–95%, non-condensing |
0–95%, non-condensing |
| Cabinet Dimensions |
~280 × 430 × 170mm* |
~445 × 430 × 180mm* |
| Weight |
~23.2kg |
~37.5kg |
Customization: The VT-42-PB Series battery cabinet can be configured to switch from 48VDC to 24VDC based on the customer's operational needs and technical requirements.