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
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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
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Built-in BMS protection for voltage, current, temperature, and SoC
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Wi-Fi & Bluetooth monitoring for real-time performance tracking
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Multiple operating modes for flexible energy management
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High round-trip efficiency for minimal energy loss
Ideal Applications
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Residential solar energy storage
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Home backup power systems
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Small commercial energy solutions
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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 | |