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

  • 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

  • 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

  • Residential solar energy storage

  • Home backup power solutions

  • Villas, apartments, and gated communities

  • 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