Low Voltage Rack-Mounted Energy Storage Battery (LFP)
Grade A LFP(lithium iron phosphate) cells to ensure safety and performance
LFP (lithium iron phosphate) cell to ensure the highest safety
Product Details
Watt Low Voltage Rack-Mounted Energy Storage System
Safe. Stable. Sustainable Power Storage
The Watt Low Voltage Rack-Mounted Energy Storage System is designed to deliver reliable, efficient, and long-lasting energy storage for residential, commercial, and hybrid solar applications. Built with advanced Grade A LFP (Lithium Iron Phosphate) cells, this system ensures maximum safety, consistent performance, and extended service life.
With a modular rack-mount design, it is ideal for projects requiring scalable energy storage, easy integration with inverters, and space-efficient installation.
Key Highlights
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Grade A LFP Battery Technology
Ensures superior safety, thermal stability, and long cycle life. -
Long Cycle Life
Designed for up to 6,500+ charge cycles, delivering dependable performance over many years. -
Built-in Smart BMS
Advanced Battery Management System protects against over-voltage, over-current, temperature fluctuations, and state-of-charge imbalances. -
Modular & Scalable Design
Supports parallel connection for expanding storage capacity as energy needs grow. -
High Efficiency Performance
Round-trip efficiency of ≥98%, minimizing energy loss. -
Compact Rack-Mounted Form Factor
Saves space and allows clean, organized installations in energy storage cabinets or server racks.
Low Voltage Series – Designed for Everyday Energy Independence
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Optimized for day & night self-consumption
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Reduces dependence on the public grid
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Cost-effective and eco-friendly energy storage
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Lightweight, safe, and space-saving design
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Flexible installation for residential and commercial environments
Applications
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Residential solar energy storage
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Commercial & industrial energy backup
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Hybrid solar power systems
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Telecom and data room backup
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Off-grid and microgrid solutions
Customization Options
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Custom branding with the Watt logo
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Multiple shell color options
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Configurable capacity based on project needs
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WiFi & Bluetooth monitoring (optional)
Why Choose Watt?
Watt energy storage solutions are engineered for performance, safety, and scalability. Whether you’re building a compact home energy system or a large multi-rack installation, Watt delivers dependable power storage that grows with your needs.
General Information
| Rated Voltage | 51.2Vdc | |
| Rated Capacity | 100Ah | 200Ah |
| Rated Energy | 5.12kWh | 10.24kWh |
| Output Voltage Range | 44.8V – 57.6V | |
| Charging Voltage (MAX) | 58.4V | |
| Cut-Off Voltage | 40V | |
| IP Rating | IP21 | |
| Recommended Charging Current | 20A | 40A |
| Max. Discharging Current | 100A | |
| Efficiency (Round Trip) | ≥98% | |
Physical Information
| Dimensions (L × W × H) | 480 × 442 × 155 mm (3.5U) | 680 × 442 × 222 mm (5U) |
| Weight | ≈44.5 kg | ≈86 kg |
| Humidity | 5% – 95% Relative Humidity | |
| Charging Temperature | 0°C – 55°C | |
| Discharging Temperature | -20°C – 55°C | |
| Storage Temperature | -10°C – 30°C | |
| Cycle Life (0.2C, @25°C, 80% DoD) | ≥6500 Times | |
| Design Life | ≥15 Years | |
| Mounting Options | Rack, Stack or Wall | |