Low Voltage Residential Energy Storage System
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 Residential Energy Storage System
Safe, Stable & Sustainable Energy Storage for Homes
The Watt Low Voltage Residential Energy Storage System is a high-performance lithium iron phosphate (LFP) battery solution designed to deliver reliable, long-lasting energy storage for residential and small commercial applications. Built with safety, efficiency, and flexibility at its core, it enables homeowners to maximize solar self-consumption and reduce reliance on the grid.
Key Benefits
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Grade A LFP Battery Cells
Utilizes premium lithium iron phosphate cells to ensure superior safety, thermal stability, and long service life. -
Long Cycle Life
Designed for extended use with up to 8,000 charge cycles, making it a durable and future-ready energy storage solution. -
Optimized Self-Consumption
Stores excess solar energy generated during the day and delivers power when you need it most—day or night. -
Energy Independence
Reduces dependence on public grid power and protects against outages and rising electricity costs. -
Eco-Friendly & Cost-Efficient
Clean energy storage that supports sustainable living while lowering long-term energy expenses.
Smart & Flexible Design
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Built-in Battery Management System (BMS)
Advanced protection against over-temperature, over-current, over-voltage, and state-of-charge fluctuations. -
Modular & Scalable
Capacity can be expanded to match growing energy needs, with support for parallel connections. -
Wide Inverter Compatibility
Seamlessly integrates with most available low-voltage inverter systems. -
Compact & Space-Saving
Designed for wall or floor installation, ideal for homes with limited space. -
Smart Connectivity
Supports Wi-Fi and Bluetooth for real-time monitoring and system management.
Ideal Applications
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Residential solar energy storage
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Home backup power solutions
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Villas, apartments, and gated communities
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Small commercial and hybrid energy systems
Why Choose Watt Energy Storage?
The Watt Low Voltage Residential Energy Storage System delivers a perfect balance of safety, performance, and flexibility. With advanced LFP technology, long lifecycle durability, and smart energy management features, it empowers homeowners to take control of their energy—reliably and sustainably.
General Information
| Rated Voltage | 51.2Vdc | |
| Rated Capacity | 400Ah | 600Ah |
| Rated Energy | 20.48kWh | 30.72kWh |
| Output Voltage Range | 44.8V – 57.6V | |
| Charging Voltage (MAX) | 58.4V | |
| Cut-Off Voltage | 40V | |
| IP Rating | IP52 | |
| Recommended Charging Current | 80A | 120A |
| Max. Discharging Current | 200A | |
| Efficiency (Round Trip) | ≥98% | |
Physical Information
| Dimensions (L × W × H) | 700 × 413 × 528 mm | 825 × 413 × 528 mm |
| Weight | ≈175 kg | ≈233.5 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) | ≥8000 Times | |
| Design Life | 15 – 20 Years | |
| Mounting Options | Mobile or Floor | |