Low Voltage Residential Energy Storage System (Compact Series)

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 – Compact Series

The Watt Low Voltage Residential Energy Storage System (Compact Series) is a smart, reliable, and space-efficient energy storage solution designed for modern homes. Built with Grade-A LFP (Lithium Iron Phosphate) cells, this system delivers long-term safety, high efficiency, and dependable performance for everyday energy needs.

Designed for Smarter Energy Living

This compact storage solution enables homeowners to maximise self-consumption of solar energy, reduce reliance on the grid, and maintain stable power day and night. Its low-voltage architecture makes it ideal for residential applications where safety and flexibility are essential.

Key Benefits

  • High Safety LFP Technology
    Advanced lithium iron phosphate cells ensure thermal stability, longer lifespan, and superior safety.

  • Long Cycle Life
    Engineered for up to 8,000 cycles, ensuring years of reliable energy storage with minimal degradation.

  • Compact & Space-Saving Design
    Ideal for homes with limited installation space, without compromising performance.

  • Smart Energy Independence
    Store excess solar power and use it when needed, reducing electricity costs and grid dependency.

  • Modular & Scalable
    Easily expand storage capacity to match growing household energy demands.

  • Eco-Friendly & Cost-Efficient
    Clean energy storage that supports sustainable living while lowering long-term energy expenses.

Intelligent Protection & Control

  • Built-in Battery Management System (BMS) for real-time monitoring and protection against over-voltage, over-current, temperature fluctuations, and state-of-charge issues.

  • Stable performance across varying environmental conditions.

Ideal Applications

  • Residential solar energy storage

  • Backup power for homes

  • Energy optimisation for low-voltage systems

  • Grid-independent or hybrid energy setups

Why Choose Watt?

Watt energy solutions are designed to deliver safety, reliability, and future-ready performance. The Low Voltage Compact Series offers homeowners a dependable foundation for smarter, cleaner, and more efficient energy use.

 

General Information
Rated Voltage 25.6Vdc
Rated Capacity 280Ah 300Ah
Rated Energy 7.168kWh 7.68kWh
Output Voltage Range 22.4V – 28.8V
Charging Voltage (MAX) 29.2V
Cut-Off Voltage 20V
IP Rating IP52
Recommended Charging Current 56A 60A
Max. Discharging Current 150A
Efficiency (Round Trip) ≥98%
Physical Information
Dimensions (L × W × H) 530 × 413 × 233 mm
Weight ≈64 kg ≈66 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 Wall or Floor