1. Okwu mmalite
The VGEBY YCX-003 MPPT Solar Charge Controller is designed to manage power flow from your solar panels to your battery bank and connected loads. It features an industrial-grade master chip for accurate monitoring and control, ensuring efficient charging and protection for your battery system. This controller automatically adapts to 12V or 24V systems and incorporates advanced Maximum Power Point Tracking (MPPT) technology for high charging efficiency.
Ọrụ ndị dị mkpa gụnyere:
- Maintaining optimal battery charge levels.
- Protection against over-charging and over-discharging.
- Prevention of reverse charging from battery to solar panels at night.
- Reverse polarity protection for both battery and solar panels.
- Automatic load cut-off and recovery based on battery voltage.
- Built-in thunder protection.
- Automatic temperature compensation for charging voltage.
2. Ntọala na nwụnye
Proper installation is crucial for the safe and efficient operation of your solar charge controller. Please follow these steps carefully.
2.1 eserese waya

Figure 1: Wiring connections for the solar charge controller.
2.2 Nzọụkwụ Njikọ
Connect the components in the following order to prevent damage to the controller or other system components:
- Jikọọ batrị: First, connect the battery to the controller's battery terminals. Ensure correct polarity (positive to positive, negative to negative). The controller will automatically detect the system voltage (12V ma ọ bụ 24V).
- Jikọọ ogwe anyanwụ: Next, connect the solar panel to the controller's solar panel terminals. Ensure correct polarity.
- Connect the Load: Finally, connect your DC loads to the controller's load terminals. Ensure correct polarity.
Ihe dị mkpa: Always connect the battery first and disconnect the load first when disassembling the system.

Figure 2: Connection terminals on the side of the controller.
3. Ntuziaka ọrụ
The VGEBY YCX-003 controller features a large LCD display and user-friendly buttons for monitoring and adjusting parameters.
Ngosipụta na bọtịnụ LCD 3.1

Figure 3: Front panel with LCD display and control buttons.
The LCD display provides real-time information on battery voltage, charging current, discharge current, and system status. The buttons allow you to navigate through display modes and adjust certain charging and discharging parameters.
3.2 Paramita Ndị A Na-agbanwe Agbanwe
The controller allows for adjustment of floating charge voltage, mwepu mkpọpu voltage, and discharge recovery voltage. Refer to the on-screen menu for specific adjustment procedures. These parameters are factory-set to default values suitable for most lead-acid batteries but can be customized if needed.
3.3 USB mmepụta
The controller includes a 5V/2A USB output for charging small electronic devices. This output is active when the battery has sufficient charge.

Figure 4: USB charging capability.
4. Nlekọta
To ensure the longevity and optimal performance of your VGEBY YCX-003 MPPT Solar Charge Controller, periodic maintenance is recommended.
- Ịdị ọcha: Keep the controller clean and free from dust and debris. Use a dry cloth for cleaning.
- Njikọ: Periodically check all wiring connections to ensure they are secure and free from corrosion. Loose connections can lead to power loss or overheating.
- Igwe ikuku: Ensure the controller is installed in a well-ventilated area to prevent overheating.
5. Nchọpụta nsogbu
The VGEBY YCX-003 controller is designed with several built-in protection features. If the system is not operating as expected, check the following:
- Enweghị Ngosipụta/Ike: Check battery connections and ensure the battery has sufficient voltage.
- Enweghị chaja: Verify solar panel connections and ensure adequate sunlight. Check for reverse polarity on solar panel connections.
- Ibu Anaghị arụ ọrụ: Check load connections and ensure the battery voltage is above the discharge recovery voltage. The controller automatically cuts off the load if battery voltage dị oke ala.
- Error Codes/Warnings: The controller has built-in protections for overheating, overcurrent, short circuit, open circuit, and reverse connection. If a fault occurs, the controller will automatically recover once the issue is resolved. Consult the display for any specific indicators.
- Polarity azu: The controller has reverse polarity protection for both the battery and solar panels. If connected incorrectly, the controller will not operate until the polarity is corrected.
6. Nka na ụzụ nkọwa

Figure 5: VGEBY YCX-003 MPPT Solar Charge Controller.
| Njirimara | Nkọwapụta |
|---|---|
| Nlereanya | YCX-003 |
| Sistemụ Voltage | 12V/24V Adaptive |
| Igwe ọkụ anyanwụ Voltage | 12V, 18V, 24V, 36V |
| Charge na-ese n'elu mmiri Voltage | 13.7V (ndabara, mgbanwe) |
| Mkpọpu mkpọpu Voltage | 10.7V (ndabara, mgbanwe) |
| Mgbasa mgbake Voltage | 12.6V (ndabara, mgbanwe) |
| Njikere Ugbu a | <10mA |
| USB mmepụta | 5V / 2A Max |
| Rated Current Options | 40A, 50A, 60A, 100A |
| Oke. PV Voltage | 50V |
| Oke. Ike ntinye PV | 750W (12V) / 1500W (24V) |
| Akụkụ | Ihe ruru. 170 x 92 x 45mm (6.7 x 3.6 x 1.8 inch) |
| Ihe onwunwe | ABS + ROHS |
| Onye nrụpụta | VGEBY |
7. Akwụkwọ ikike na nkwado
For warranty information or technical support, please refer to the documentation provided at the time of purchase or contact VGEBY customer service directly. Ensure you have your product model number (YCX-003) and purchase details available when seeking support.