🔹 Product Short Description:
The Famergy-tech RPES-WM4 Series is a high-performance, stackable lithium iron phosphate (LiFePO₄) battery energy storage solution designed for residential and commercial solar systems. Available in 25.6V and 51.2V configurations with capacities ranging from 2.56kWh to 10.24kWh, it features long cycle life, intelligent BMS protection, flexible monitoring options, and seamless integration with mainstream inverters. Ideal for backup power, off-grid living, and energy cost optimization.
🔸 Key Features:
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High Safety Standards
Built-in Battery Management System (BMS) with real-time protection against overcharge, over-discharge, and thermal risk. -
Long Lifespan
Over 6000 cycles at 80% depth of discharge (DOD), providing >10 years of reliable use. -
Flexible Monitoring Options
Supports LCD display, Bluetooth, Wi-Fi (optional); touch screen operation standard. -
Wide Compatibility
Works with most mainstream solar inverters and hybrid systems. -
Stackable & Expandable
Modular design allows parallel expansion for increased capacity. -
High Charging & Discharging Current
Up to 100A charge/discharge current for fast energy transfer. -
Robust Environmental Tolerance
Charging: 0°C to 55°C | Discharging: -20°C to 60°C
Storage: -10°C to 30°C | Humidity: 5%–95% RH -
IP-rated Protection
Enclosure suitable for residential indoor and semi-outdoor use.
📊 Technical Specifications:
| Model Variant | 25.6V 100Ah | 25.6V 200Ah | 51.2V 100Ah | 51.2V 200Ah |
|---|---|---|---|---|
| Rated Voltage | 25.6V | 25.6V | 51.2V | 51.2V |
| Rated Capacity | 100Ah | 200Ah | 100Ah | 200Ah |
| Rated Energy | 2.56kWh | 5.12kWh | 5.12kWh | 10.24kWh |
| Output Voltage Range | 21.6–29.2V | 21.6–29.2V | 43.2–58.4V | 43.2–58.4V |
| Charging Voltage | 28.8–29.2V | 28.8–29.2V | 57.6–58.4V | 57.6–58.4V |
| Cut-off Voltage | 21.6V | 21.6V | 43.2V | 43.2V |
| Max Charging Current | 100A | 100A | 100A | 100A |
| Recommended Charging Current | 50A | 50A | 50A | 50A |
| Max Discharging Current | 100A | 100A | 100A | 100A |
| Efficiency | >98% | >98% | >98% | >98% |
| Dimensions (L×W×H mm) | 434×384×142 | 650×384×142 | 650×384×142 | 680×415×235 |
| Weight (approx.) | ≈25kg | ≈45kg | ≈45kg | ≈86kg |
| Cycle Life | >6000 times (0.2C @25°C, 80%DOD) | |||
| Design Life | >10 years | |||
| Operating Mode | Touch Screen |
🏡 Applications:
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Residential solar battery storage
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Smart home backup power
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Off-grid cabin or rural electrification
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Industrial and commercial microgrids
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EV charging energy reserve
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Energy cost optimization (peak shaving, load shifting)
ptt7h –
Great!