🔹 Product Overview
The RPES-WM1 is a 48V wall-mounted residential energy storage system designed for reliable home backup and solar integration.
Available in 4.8kWh and 9.6kWh configurations, it provides stable voltage output, long cycle life, and high safety LiFePO4 battery chemistry — making it an ideal solution for homes seeking dependable energy storage without oversizing their system.
Compact and easy to install, the RPES-WM1 offers a cost-effective entry into residential energy independence.
⚡ Key Features
✔ 48V Standard Residential Platform
Compatible with most 48V solar inverter systems.
✔ Flexible Capacity Options
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4.8kWh (100Ah)
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9.6kWh (200Ah)
✔ Long Cycle Life
6000+ cycles at 80% DOD (0.2C, 25°C).
✔ High Efficiency
98% system efficiency for optimized energy usage.
✔ Parallel Expansion
Supports up to 16 units in parallel for larger systems.
✔ Built-in Smart BMS
Integrated protection and intelligent cell balancing.
✔ Optional LCD, Bluetooth & WiFi Monitoring
Real-time battery monitoring and system control.
🏠 Ideal Applications
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Residential solar energy storage
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Essential load backup (refrigerator, lights, WiFi)
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Off-grid cabin systems
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Hybrid inverter systems
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Small commercial backup
🔧 Technical Specifications
Electrical Specifications
| Specification | 4.8kWh Version | 9.6kWh Version |
|---|---|---|
| Rated Voltage | 48V | 48V |
| Rated Capacity | 100Ah | 200Ah |
| Rated Energy | 4.8kWh | 9.6kWh |
| Output Voltage Range | 43.2V – 58.4V | |
| Charging Voltage | 57.6V – 58.4V | |
| Cut-off Voltage | 43.2V | |
| Max Charging Current | 100A | |
| Recommended Charging Current | 50A | |
| Max Discharging Current | 100A | |
| Efficiency | >98% |
Mechanical Specifications
| Item | Details |
|---|---|
| Installation | Wall-Mounted |
| Dimensions | 400×629×160 mm / 400×640×233 mm |
| Weight | ≈53kg / ≈85kg |
| Operating Mode | Press Button |
Environmental Specifications
| Parameter | Range |
|---|---|
| Charging Temperature | 0°C – 55°C |
| Discharging Temperature | -20°C – 60°C |
| Storage Temperature | -10°C – 30°C |
| Humidity | 5% – 95% RH |
Durability
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Cycle Life: 6000+ cycles (0.2C, 80% DOD, 25°C)
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Design Life: 10+ years
🛡 Advanced Battery Management System
The RPES-WM1 integrates intelligent BMS protection, including:
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Overcharge protection
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Over-discharge protection
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Short circuit protection
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Temperature protection
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Current control
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Cell balancing
Ensuring operational safety and long-term reliability.
🌎 Why Choose RPES-WM1?
Compared to standard entry-level home batteries, RPES-WM1 offers:
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True LiFePO4 safety chemistry
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Long lifespan performance
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High inverter compatibility
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Expandable architecture
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Clean wall-mounted installation
Designed for practical residential energy storage solutions.
❓ FAQ
Q: Is 4.8kWh enough for home backup?
It is suitable for essential loads. Larger households may consider the 9.6kWh version or parallel expansion.
Q: Can multiple units be connected?
Yes. Up to 16 units can be connected in parallel for increased capacity.
Q: Is it compatible with my inverter?
It is designed to work with most mainstream 48V solar inverter systems.
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