🔹 Product Overview
The RPES-W2 is a high-capacity 51.2V residential energy storage system designed for flexible installation and large-scale home backup applications.
Available in 14.34kWh and 15.36kWh configurations, this wheel-mounted LiFePO4 battery system delivers powerful 150A charge/discharge capability, ultra-long cycle life, and seamless compatibility with mainstream solar inverters.
Engineered for energy-intensive households, hybrid solar systems, and professional installers, the RPES-W2 combines mobility, scalability, and reliability in one robust platform.
⚡ Key Features
✔ High Energy Capacity
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14.34kWh (280Ah)
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15.36kWh (300Ah)
Designed for whole-home backup and high-load applications.
✔ Powerful 150A Charge & Discharge
Handles high-demand appliances and larger inverter systems.
✔ Advanced LiFePO4 Battery Chemistry
Superior thermal stability, safety, and long-term durability.
✔ 6000+ Cycle Life
Tested at 0.2C, 80% DOD — engineered for over 10 years of service life.
✔ >98% Efficiency
Maximized energy utilization and minimal loss.
✔ Wheel-Mounted Design
Easy positioning, relocation, and maintenance access.
✔ Touchscreen Interface
Real-time monitoring and intelligent system control.
✔ Ground-Standing Installation
No wall reinforcement required — ideal for garage or utility room setups.
🏠 Ideal Applications
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Whole-home backup power systems
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High-consumption residential properties
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Solar + storage hybrid systems
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Off-grid homes
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Small commercial energy backup
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Energy storage integrator projects
🔧 Technical Specifications
Electrical Specifications
| Specification | 14.34kWh Version | 15.36kWh Version |
|---|---|---|
| Rated Voltage | 51.2V | 51.2V |
| Rated Capacity | 280Ah | 300Ah |
| Rated Energy | 14.34kWh | 15.36kWh |
| Output Voltage Range | 43.2V – 58.4V | |
| Charging Voltage | 57.6V – 58.4V | |
| Cut-off Voltage | 43.2V | |
| Max Charging Current | 150A | |
| Recommended Charging Current | 50A | |
| Max Discharging Current | 150A | |
| Efficiency | >98% |
Mechanical Specifications
| Item | Details |
|---|---|
| Installation | Ground-Standing / Wheel-Mounted |
| Dimensions | 825 × 413 × 233 mm |
| Weight | ≈110–112 kg |
| Display | Touchable Screen |
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
🔌 Communication & Integration
The RPES-W2 supports:
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RS485 Communication
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CAN Communication
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Compatibility with mainstream hybrid inverters
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Parallel expansion capability
Designed for professional solar integrators and energy solution providers.
🛡 Intelligent BMS Protection
Integrated advanced BMS system ensures:
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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 control
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Current protection
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Cell balancing
Delivering long-term operational safety and reliability.
🌎 Why Choose RPES-W2?
Compared to wall-mounted entry models, the RPES-W2 offers:
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Larger energy storage capacity
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Higher discharge capability (150A)
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Flexible placement
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Easier installation
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Professional-grade scalability
Built for serious residential energy storage demands.
❓ FAQ
Q: Can this battery power my entire home?
For most residential properties, the 15.36kWh version can support essential loads for extended periods. Multiple units can be connected for larger homes.
Q: Does it work with solar inverters?
Yes. It supports CAN and RS485 communication and is compatible with mainstream solar inverter brands.
Q: Is it expandable?
Yes. It supports parallel connections for larger system capacities.
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