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The CFE-WL-5 is a low-voltage wall-mounted lithium battery designed for modern residential energy storage applications. It is well suited for home backup power, solar self-consumption, household electricity cost optimization, and small off-grid support. Built with safe and stable LiFePO4 battery cells, the system offers 5.12kWh total energy, 4.6kWh usable energy, a 51.2V nominal voltage, a 48–56V voltage range, and 5kW maximum discharge power, making it a practical choice for everyday residential energy needs.
With a compact size of 420 × 135 × 630 mm, the WL-5 is designed for wall-mounted installation in homes, utility rooms, garages, and other limited-space environments. For homeowners looking for a compact [Home Energy Storage System], this model provides a balanced combination of safety, functionality, and installation convenience. It can operate as a standalone home power backup battery or work together with a residential PV system as a reliable home solar battery solution.
For overseas installers and distributors, the WL-5 offers more than just entry-level capacity. Its real value lies in its suitability for standardized residential deployment. The system supports CAN and RS485 communication, making it easier to integrate with a wide range of mainstream inverter brands. It also supports up to 8 units in parallel, allowing flexible future expansion based on growing household load demands. Compared with products that focus only on headline specifications, the WL-5 is built for real-world household energy storage projects where stable operation, ease of integration, and scalable design matter most.
Safety is one of the core strengths of the WL-5. The battery adopts LiFePO4 chemistry, which is widely recognized for its thermal stability and long service life. In addition, the system includes multiple protection functions covering over-current, over-voltage, short circuit, under-voltage, and over-temperature conditions. For residential users, safety is not an optional feature but a basic requirement, and the WL-5 is designed with this principle in mind.
The WL-5 supports communication with a wide range of inverter brands, including Luxpower, Solis, Sofar, Megarevo, Deye, SRNE, Sol-Ark, Sunsynk, Growatt, Afore, Victron, Voltronic, and MUST. This broad compatibility helps reduce system matching complexity for distributors, installers, and EPC partners, while also supporting smoother commissioning and more efficient after-sales service.
Unlike bulky battery systems that are difficult to place in residential settings, the WL-5 features a slim wall-mounted profile with a thickness of only about 135 mm. This compact structure helps save installation space and supports a cleaner overall appearance after installation. For customers comparing wall-mounted and Floor-Mounted Energy Storage Battery options, the WL-5 is especially suitable for projects where space efficiency and neat layout are important.
The system is equipped with an SoC LED indicator and supports Wi-Fi module integration and OTA online upgrades. This helps users and service teams monitor battery status more easily and improves long-term maintenance convenience. For residential users, a battery system that is simple to manage and easy to maintain often provides more practical value than overly complex features.
The WL-5 supports parallel connection of up to 8 units, which makes it suitable not only for basic household backup, but also for future capacity expansion. As household energy demand grows due to air conditioning, kitchen appliances, EV charging, or increased solar self-consumption, users can expand the system more flexibly. This also makes the WL-5 a practical Low Voltage LFP Battery option for channel partners building modular residential packages for different market segments.
The CFE-WL-5 is suitable for a variety of residential and light off-grid scenarios.
Home Backup Power
In areas with unstable grid supply or occasional outages, the WL-5 can work with an inverter to power lighting, internet equipment, security systems, refrigerators, and other essential household loads.
Residential Solar Energy Storage
As a reliable home solar battery, the WL-5 can store excess solar energy generated during the day and release it at night, helping homeowners increase solar self-consumption and improve overall energy efficiency.
Electricity Cost Optimization
In markets with time-of-use electricity pricing, the battery can charge during off-peak periods and discharge during peak hours, helping households reduce daily electricity expenses.
Small Off-Grid or Semi-Off-Grid Systems
The WL-5 can also serve as a flexible energy storage unit for rural homes, vacation houses, cabins, and small standalone buildings that require stable and compact energy storage support.
The CFE-WL-5 is supported by UN38.3 transportation testing and comes with CE / CB certification, which is important for overseas shipping, customs clearance, and project procurement. In addition, the battery supports standardized communication interfaces and offers a 5-year warranty with a design cycle life of ≥6,000 cycles. These features help improve product credibility while giving distributors, installers, and end users greater confidence in long-term use.
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Main Product:
Residential Energy Storage System ,
Commercial and industrial Energy Storage System,
Utility Energy Stroage System,
Inverter,
Lithium-ion battery,
Portable Energy Storage
