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
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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
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Built-in Battery Management System (BMS) for real-time monitoring and protection against over-voltage, over-current, temperature fluctuations, and state-of-charge issues.
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Stable performance across varying environmental conditions.
Ideal Applications
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Residential solar energy storage
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Backup power for homes
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Energy optimisation for low-voltage systems
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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 | |