Low Voltage Wall-Mounted Energy Storage Battery (Gen-2)
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
Safe. Smart. Reliable Energy Storage for Everyday Power Needs
The Watt Low Voltage Wall-Mounted Energy Storage Battery is designed to deliver stable, efficient, and long-lasting power for residential and light commercial applications. Built with Grade-A LFP (Lithium Iron Phosphate) cells, it ensures superior safety, consistent performance, and extended service life—making it ideal for solar self-consumption and backup power solutions.
Why Choose Watt Energy Storage?
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Maximum Safety
Uses advanced LFP battery chemistry, known for thermal stability, low risk, and long lifespan. -
Long Cycle Life
Engineered to deliver up to 6,500 charge cycles, ensuring reliable energy storage for many years. -
Smart Energy Management
Supports efficient energy usage during both day and night, reducing dependence on the public grid. -
Compact & Space-Saving Design
Wall-mounted structure fits easily into garages, utility rooms, and solar power setups. -
Eco-Friendly & Cost-Efficient
Helps lower electricity bills while supporting sustainable energy usage.
Key Features
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Grade-A Lithium Iron Phosphate (LFP) cells
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Built-in Battery Management System (BMS) for protection against over-voltage, over-current, temperature, and short circuits
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High round-trip efficiency for minimal energy loss
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Modular design – scalable to meet growing energy demands
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Wi-Fi & Bluetooth monitoring for real-time system status
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Compatible with most leading inverters
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Supports parallel connection for expanded storage capacity
Ideal Applications
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Residential solar energy storage
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Home backup power systems
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Villas, apartments, and smart homes
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Small commercial and office installations
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Energy optimisation and load shifting
Installation & Reliability
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Wall-mounted installation for easy setup
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Designed for indoor use with controlled environmental conditions
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Stable operation across a wide temperature range
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Low maintenance with long design life
Watt Advantage
With Watt Energy Storage, you gain dependable power, enhanced energy independence, and peace of mind—backed by advanced battery technology and intelligent design.
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) | 540 × 495 × 155 mm | 780 × 495 × 217 mm |
| Weight | ≈44.5 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 | |