Residential Energy Storage System – Low Voltage Series
Residential Energy Storage System – Low Voltage Series
LFP (lithium iron phosphate) cell to ensure the highest safety
Product Details
Key Features:
High Safety & Stability
Powered by advanced LFP battery technology, offering excellent thermal stability and enhanced safety for residential use.Long Cycle Life
Designed for extended durability with up to 8,000 charge cycles, ensuring years of dependable energy storage.Optimized Self-Consumption
Stores excess solar energy during the day and supplies power during the night, maximizing solar utilization.Grid Independence
Reduces reliance on public grids and helps protect against power outages.Eco-Friendly & Cost-Efficient
Low maintenance, high efficiency, and reduced electricity costs over time.Compact & Space-Saving Design
Lightweight, modern enclosure suitable for wall or floor installation.
Smart & Flexible Features
Multiple Operating Modes for different energy scenarios
Built-in BMS Protection against over-temperature, over-current, over-voltage, and short circuits
Modular & Scalable Design – expandable capacity to meet growing energy demands
Parallel Connection Support for multiple battery units
Wi-Fi & Bluetooth Connectivity for monitoring and system management
Custom Branding & Shell Colors available for projects and partners
Ideal Applications
Residential solar energy storage
Home backup power systems
Off-grid and hybrid solar setups
Small commercial or energy-conscious buildings
Why Choose Watt?
Watt energy storage solutions are engineered to combine safety, efficiency, and longevity, helping homeowners move toward smarter energy independence with confidence.
| Rated Voltage | 51.2Vdc |
| Rated Capacity | 300Ah |
| Rated Energy | 15.36kWh |
| Output Voltage Range | 44.8V – 57.6V |
| Charging Voltage (Max) | 58.4V |
| Cut-Off Voltage | 40V |
| IP Rating | IP52 |
| Recommended Charging Current | 60A |
| Max Discharging Current | 150A |
| Efficiency (Round Trip) | ≥98% |
| Dimensions (L × W × H) | 825 × 413 × 230 mm |
| Weight | ≈114 kg |
| Humidity | 5% – 95% RH |
| 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 Stack |