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The Wirentech WT5100 Heating is a 51.2 V, 100 Ah rack-mount LiFePO₄ battery for home solar energy storage and backup power. Each module provides 5.12 kWh of nominal energy and supports up to 100 A of continuous discharge at 77°F (25°C). Up to 63 modules can be connected in parallel, so you can size the battery bank for your storage needs. During cold-weather charging, the built-in heater draws power from the charger to warm the cells. The battery management system balances the cells and provides protection against overcharging, overdischarging, overcurrent, short circuits, and temperature extremes. The front-panel LCD lets you check battery status at the rack, while CAN and RS485 ports let the battery share operating data with compatible inverters.
Technical Parameters
| Nominal Energy | 5,120 Wh (5.12 kWh) |
| Cycle Life | 6,000+ cycles |
| Continuous Discharge Current | 100 A at 77°F (25°C) |
| Recommended Charge Current | 50 A at 77°F (25°C) |
| Nominal Voltage | 51.2 V |
| Rated Capacity | 100 Ah |
| Battery Chemistry | LiFePO₄ |
| Operating Voltage Range | 44–58.4 V |
| Maximum Charge Voltage | 58.4 V (adjustable) |
| Parallel Expansion | Up to 63 modules |
| Inverter Communication | CAN / RS485 |
| Enclosure Rating | IP22 |
| Battery Dimensions | Approx. 18.9 × 17.7 × 5.5 in |
| Weight | 46 kg (approx. 101 lb) |
Home Solar and Backup Storage
Each WT5100 module provides 5.12 kWh of nominal energy storage. Paired with a compatible inverter, it stores solar energy generated during the day for use after sunset and can supply backup power during an outage.
Built-In Heating for Cold-Weather Charging
The WT5100’s built-in heater draws power from the charger to warm the cells in cold conditions. A separate low-temperature protection function pauses charging when the cells are too cold and allows it to resume once they warm up.
Battery Management and Cell Protection
The built-in battery management system monitors cell voltage and temperature and balances the cells during operation. It also protects the battery against overcharging, overdischarging, overcurrent, short circuits, and temperatures outside its operating limits.
CAN and RS485 Inverter Communication
The WT5100 supports CAN and RS485 communication through its front-panel ports. With a compatible inverter and the appropriate protocol settings, the battery can share operating data with the inverter for system monitoring.
Rack Mount Hardware and Cables
The rack-mount configuration includes mounting brackets to secure the module, positive and negative power leads, and a communication cable for linking battery modules. A separate host-to-inverter communication cable is available as an option.
Expandable Parallel Battery Storage
The WT5100 supports up to 63 modules in parallel. Each module adds 5.12 kWh of nominal storage, so you can size the battery bank for your current needs and expand it as your energy storage requirements grow.
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