Wall-Mounted LFP Energy Storage Battery

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 Wall-Mounted Energy Storage Battery

Smart, Safe & Space-Efficient Energy Storage

The Watt Low Voltage Wall-Mounted Energy Storage Battery is designed for modern homes and small commercial applications seeking reliable, long-life energy storage. Built with advanced LFP (Lithium Iron Phosphate) technology, it delivers high safety, stable performance, and long cycle life—making it ideal for solar self-consumption and backup power needs.

With its slim wall-mounted design, this system saves space while offering powerful energy storage, seamless inverter compatibility, and intelligent energy management.

Key Benefits

  • Grade-A LFP Cells
    Ensures superior safety, thermal stability, and long operational life.

  • Long Cycle Life
    Up to 6,500 cycles, providing years of dependable performance.

  • Optimised Solar Self-Consumption
    Store excess solar energy during the day and use it efficiently at night.

  • Grid Independence
    Reduces reliance on public grids and improves energy security.

  • Compact & Wall-Mounted Design
    Space-saving installation ideal for garages, utility rooms, and indoor setups.

  • Modular & Scalable
    Multiple units can be connected in parallel to expand storage capacity.

Smart & Connected Features

  • Built-in BMS protection for voltage, current, temperature, and SoC

  • Wi-Fi & Bluetooth monitoring for real-time performance tracking

  • Multiple operating modes for flexible energy management

  • High round-trip efficiency for minimal energy loss

Ideal Applications

  • Residential solar energy storage

  • Home backup power systems

  • Small commercial energy solutions

  • Off-grid or hybrid solar installations

Why Choose Watt?

Watt energy storage solutions are engineered to deliver safety, reliability, and intelligent power management. With premium components, long service life, and clean design, Watt helps you store energy smarter—today and into the future.

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) 710 × 430 × 144 mm 760 × 430 × 240 mm
Weight ≈48 kg ≈80 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 Wall