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.
| 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% | |
| 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 | |