1. Introduction
The Y&H 60A Solar Charge Controller (Model WPE6048) is designed to manage the power flow from your solar panels to your battery bank and DC loads. This controller automatically detects 12V, 24V, 36V, and 48V DC system voltages and incorporates intelligent three-stage PWM charging technology to optimize battery charging efficiency and prolong battery life. It is compatible with a wide range of battery types, including lead-acid (SLD, GEL, Flood) and lithium (LiFePO4, ternary lithium) batteries, and features adjustable charging and discharging parameters. The integrated LCD provides real-time monitoring of system status, and dual USB outputs offer convenient charging for small electronic devices.
2. Safety Instructions
Please read all instructions carefully before installation and operation. Failure to follow these instructions may result in serious injury, damage to the controller, or damage to other components of your solar system.
- Ensure all connections are tight and correct to prevent loose connections that can cause excessive heat.
- Install the controller in a well-ventilated area, away from flammable materials and direct sunlight.
- Connect the battery to the controller FIRST, then connect the solar panel. Disconnect in the reverse order (solar panel first, then battery).
- Use appropriate wire gauges for all connections to handle the expected current. Refer to the specifications table for guidance.
- Do not attempt to disassemble or repair the controller yourself. Contact qualified personnel for service.
- The controller features multiple built-in protections including undervoltage, overvoltage, overcharge, overload, overcurrent, overheating, short circuit, and reverse connection protection. However, proper installation is still critical.
3. Product Overview
The Y&H 60A Solar Charge Controller is a compact and robust device designed for efficient solar power management. It features a clear LCD display for monitoring and user-friendly buttons for parameter adjustments.

This image displays the Y&H 60A Solar Charge Controller, highlighting its main features such as 60A rated current, ≤100V input voltage, PWM charging technology, 12/24/36/48V system voltage auto-detection, 5V/2A USB interface, IP30 waterproof rating, and 35A DC output current. The controller features an LCD screen and control buttons.
Key Features:
- Automatic System Voltage Detection: Supports 12V, 24V, 36V, and 48V DC systems.
- PWM Charging Technology: Intelligent three-stage charging for optimal battery health.
- Wide Battery Compatibility: Works with SLD, GEL, Flood, LiFePO4, and ternary lithium batteries, with user-defined options.
- LCD Display: Provides real-time monitoring of charging/discharging status, battery voltage, solar panel voltage, current, power generation, temperature, and error codes.
- Dual USB Outputs: 5V/2A (max) for charging mobile phones, tablets, and small appliances.
- Multiple Protections: Includes undervoltage, overvoltage, overcharge, overload, overcurrent, overheating, short circuit, and reverse connection protection.
- Natural Convection Cooling: Ensures quiet and efficient heat dissipation.
- Compact Design: Die-cast aluminum construction for durability and heat management.

This composite image provides detailed views of the Y&H solar charge controller. It shows the LCD display from an angled perspective, the overall dimensions (13.5cm/5.31in height, 20cm/7.87in width, 6.5cm/2.56in depth), the integrated USB port for charging devices, and the die-cast aluminum construction designed for efficient heat dissipation.
4. Setup and Installation
Proper installation is crucial for the safe and efficient operation of your solar charge controller. Follow these steps carefully.
4.1 Connection Sequence
Always connect the battery first, then the solar panel. Disconnect in the reverse order.

This visual guide demonstrates the two-step connection process for the solar charge controller. Step 1 shows connecting the battery to the controller first. Step 2 shows connecting the solar panel to the controller after the battery is connected. This sequence is crucial for proper and safe operation.
4.2 Wiring Diagram
Refer to the following diagram for a typical connection scheme. Ensure all polarities are correct and connections are secure.

This diagram illustrates the connection scheme for the Y&H solar charge controller. It shows solar panels connected to the controller, the controller connected to a LiFePO4 battery, and the battery connected to an inverter, which then powers household appliances. A table provides maximum input power for 12V, 24V, 36V, and 48V systems for models WPE3048, WPE6048, and WPE8048, along with maximum DC output current, wire gauge, and circuit breaker specifications.
4.3 Battery Compatibility
The controller is compatible with various battery types. Select the correct battery type in the controller settings for optimal charging.

This image illustrates the Y&H solar charge controller's compatibility with a wide range of battery types, including AGM, GEL, Flooded (FLD), Lithium (LI), and Sealed Lead-Acid (SLA) batteries. It also highlights the 12V/24V/36V/48V auto-detection feature.
5. Operating Instructions
The Y&H 60A Solar Charge Controller features an intuitive LCD display and control buttons for easy operation and monitoring.
5.1 LCD Display
The LCD provides real-time information about your solar system's performance.

This image focuses on the LCD screen of the Y&H solar charge controller, showing how it displays the current charging mode (solar panel icon), the battery's current state (battery icon with charge level), and the load's ON/OFF status (light bulb icon). This provides real-time operational feedback.
- Solar Panel Icon: Indicates current charging mode from solar panels.
- Battery Icon: Shows the battery's current state of charge and voltage.
- Load Icon: Displays the ON/OFF status of connected DC loads.
- Numerical Values: Show real-time voltage, current, power, and temperature readings.
5.2 Parameter Adjustment
The controller allows for adjustment of charging and discharging voltage parameters. Refer to the detailed instructions in the full product manual for specific steps on how to navigate the menu and modify settings for different battery types and load control options (e.g., light control, light time control).
5.3 USB Charging
The dual 5V/2A USB outputs can be used to charge compatible electronic devices. Ensure the total current draw does not exceed 2A.
6. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your solar charge controller.
- Cleanliness: Keep the controller clean and free from dust and debris. Use a dry cloth for cleaning.
- Connections: Periodically check all wiring connections to ensure they are tight and free from corrosion.
- Ventilation: Ensure the installation area remains well-ventilated to allow for proper natural convection cooling. Do not block the heatsink fins.
- Inspection: Inspect the controller for any signs of physical damage, overheating, or unusual operation.
- Battery Health: Monitor battery voltage and health regularly, especially if using lead-acid batteries, to ensure they are being charged correctly.
7. Troubleshooting
If you encounter issues with your Y&H 60A Solar Charge Controller, refer to the following common problems and solutions. The LCD display will show error codes in case of specific faults.
Common Issues:
- No Display/No Power:
- Check battery connections and ensure the battery voltage is within the operating range.
- Verify that the battery is connected first, with correct polarity.
- No Charging from Solar Panels:
- Check solar panel connections and polarity.
- Ensure solar panels are receiving adequate sunlight and are not shaded.
- Verify solar panel open circuit voltage (Voc) is within the controller's maximum input voltage (100V).
- Load Not Working:
- Check load connections and ensure correct polarity.
- Verify load settings in the controller (e.g., load enabled hours, manual ON/OFF).
- Check for overload or short circuit conditions on the load output.
- Error Codes on LCD:
- Consult the full product manual for a list of specific error codes and their meanings.
- Common error codes may indicate overvoltage, undervoltage, overcurrent, or overheating. Address the underlying cause as indicated by the code.
If troubleshooting steps do not resolve the issue, contact Y&H customer support for further assistance.
8. Specifications
| Feature | Specification |
|---|---|
| Model | WPE6048 |
| Rated Current | 60A |
| System Voltage | 12V/24V/36V/48V Auto-detect |
| Max PV Input Open Circuit Voltage | 100V |
| Max PV Input Power (12V Battery) | 720W |
| Max PV Input Power (24V Battery) | 1440W |
| Max PV Input Power (36V Battery) | 2160W |
| Max PV Input Power (48V Battery) | 2880W |
| USB Output | Dual 5V/2A (max) |
| Display Type | LCD |
| Protection Rating | IP30 |
| Dimensions (L x W x H) | 20cm x 13.5cm x 6.5cm (7.87in x 5.31in x 2.56in) |
| Compatible Battery Types | SLD, GEL, Flood, LiFePO4, Ternary Lithium, User-defined |
| Charging Technology | Intelligent Three-stage PWM |
Protection Features:

This image highlights the multiple protection features of the Y&H solar charge controller, including heatsink over-temperature protection, reverse connection protection, natural convection cooling, overvoltage protection, short-circuit protection, and overload protection. The controller's LCD screen is visible in the foreground.
- Undervoltage Protection
- Overvoltage Protection
- Overcharge Protection
- Overload Protection
- Overcurrent Protection
- Overheating Protection
- Short Circuit Protection
- Anti-reverse Discharge
- Solar Panel Reverse Connection Protection
- Battery Reverse Connection Protection
9. Warranty & Support
For specific warranty information regarding your Y&H 60A Solar Charge Controller (Model WPE6048), please refer to the documentation provided with your purchase or contact Y&H directly. Y&H is committed to providing quality products and customer support.
For technical assistance or inquiries, please visit the official Y&H website or contact their customer service department. Ensure you have your product model number (WPE6048) and purchase details available when seeking support.





