1. પરિચય
The EPEVER VS2024AU is a Pulse Width Modulation (PWM) solar charge controller designed for efficient battery charging in various solar power systems. It features an integrated LCD display for dynamic monitoring of operating data and working conditions. This controller supports 12V/24V auto-work voltage and includes dual USB ports for charging electronic devices. Its advanced digital techniques and multiple load control modes make it suitable for solar home systems, traffic signals, solar street lights, and solar garden lamps.

આકૃતિ 1: ફ્રન્ટ view of the EPEVER VS2024AU Solar Charge Controller.
2. મુખ્ય લક્ષણો
- 3-એસtage Intelligent PWM Charging: Bulk, Boost/Equalize, Float.
- Supports 3 battery charging options: Sealed, Gel, and Flooded.
- LCD display for dynamic device operating data and working condition display.
- Dual USB ports (5VDC/2.4A total) for electronic equipment charging.
- User-friendly button settings for comfortable and convenient operation.
- Multiple load control modes.
- Energy statistics function.
- બેટરી તાપમાન વળતર કાર્ય.
- Extensive Electronic Protections: PV reverse polarity, Battery over voltage, Battery over discharge, Battery reverse polarity, Battery overheating, Load overload, Load short circuit, Controller overheating.
3. સલામતી સૂચનાઓ
Please read all instructions and warnings in this manual before installation and operation. Keep this manual for future reference. Always ensure proper polarity and secure connections to prevent damage to the controller, battery, or other components. Disconnect all power sources before performing any wiring or maintenance. This device is intended for indoor use in a dry, well-ventilated environment. Avoid exposure to water, high humidity, or corrosive substances.
4. ઉત્પાદન ઓવરview
4.1 Components and Interfaces

Figure 2: Labeled components of the VS2024AU controller. This includes the LCD display, Menu and Set buttons, USB output ports, RTS port, PV terminals, Battery terminals, and Load terminals.
4.2 Dimensions and Applications

Figure 3: The controller measures 16cm in length, 9.49cm in width, and 4.93cm in height. It features multiple load control modes, high reliability components, an informative black light LCD display, 12V/24V auto-work, and 5V dual USB 2.4A (Total) output.

Figure 4: The VS2024AU is suitable for various applications including home emergency equipment power supply, street lights, real-time battery monitoring, green energy solutions, and small power stations. It also features dual USB ports for charging mobile devices.
5. સેટઅપ અને ઇન્સ્ટોલેશન
Proper installation is crucial for the safe and efficient operation of your EPEVER VS2024AU solar charge controller. Always connect the battery first. Please read the complete installation instructions to familiarize yourself with the installation steps before proceeding.
5.1 વાયરિંગ ડાયાગ્રામ

Figure 5: Connection diagram showing the solar panel (3), controller, battery (1), and load (2). Ensure correct polarity for all connections. An inverter can also be connected to the battery.
5.2 જોડાણ પગલાં
- બેટરી કનેક્ટ કરો: Connect the battery to the controller's battery terminals. Ensure correct polarity (positive to positive, negative to negative). The controller will power on once the battery is connected.
- સોલાર પેનલ જોડો: Connect the solar panel to the controller's PV terminals. Ensure correct polarity.
- Connect the Load: Connect the load to the controller's load terminals. Ensure correct polarity.
મહત્વપૂર્ણ: Always connect the battery first and disconnect the solar panels first when disassembling the system.
૨.૪ ઇન્સ્ટોલેશન વિડિઓ માર્ગદર્શિકા
Video 1: This video provides a visual guide to the unboxing, interface, installation, and basic settings of the EPEVER PWM Solar Charge Controller VS-AU Series, which includes the VS2024AU model. It demonstrates the physical connections and initial setup procedures.
6. ઓપરેટિંગ સૂચનાઓ
૫.૧ એલસીડી ડિસ્પ્લે અને બટન કાર્યો

Figure 6: The LCD displays various status icons and parameters. Icons include PV array status (Day, Night, No charging, Charging), Battery status (Battery capacity, In Charging, Battery voltage, current, temperature, Battery type), and Load status (Load ON, Load OFF, Load Voltage, Current, Load mode).
The controller features MENU and SET buttons for navigation and parameter adjustment. Pressing the MENU button cycles through different display interfaces. Holding the SET button allows entry into setting modes for parameters like battery type and load working mode.
6.2 Load Control Modes
The VS2024AU offers multiple load control modes to suit various application needs. These modes can be configured via the controller's interface:
- Manual Control Mode (Default): The load can be manually turned ON/OFF by pressing the load button.
- પ્રકાશ નિયંત્રણ મોડ: The load automatically turns ON at dusk and OFF at dawn.
- ડ્યુઅલ ટાઈમ મોડ: Combines light control with a timer, allowing the load to operate for a set duration after dusk.
- પરીક્ષણ મોડ: For testing purposes.
Refer to the detailed instructions in the full product manual for specific parameter settings for each load control mode.
૧૦.૨ બેટરી પ્રકાર સેટિંગ
The controller supports Sealed, Gel, and Flooded battery types. To set the battery type:
- Press the SET button to enter the setting interface.
- Press and hold the BATT button for 5 seconds to enter the battery type interface.
- Use the PV+/LOAD- buttons to select the desired battery type.
- Press the SET button to confirm the battery type.
7. જાળવણી
To ensure optimal performance and longevity of your EPEVER VS2024AU solar charge controller, regular maintenance is recommended:
- કનેક્શન્સ તપાસો: Periodically inspect all wiring connections for tightness and corrosion. Loose connections can cause overheating and damage.
- કંટ્રોલર સાફ કરો: Keep the controller clean and free from dust and debris. Use a dry cloth to wipe the exterior. Ensure the heat sink (Figure 7) is not obstructed for proper cooling.
- વાયરિંગ તપાસો: Check all cables for signs of wear, fraying, or damage. Replace any damaged cables immediately.
- મોનિટર પ્રદર્શન: Regularly check the LCD display for normal operation and parameter readings. Note any unusual behavior or error codes.

આકૃતિ 7: પાછળ view of the controller, highlighting the heat sink for thermal management.
8. મુશ્કેલીનિવારણ
If you encounter issues with your VS2024AU controller, refer to the following general troubleshooting steps. For detailed error codes and solutions, consult the comprehensive manual included with your product.
- ડિસ્પ્લે નહીં/પાવર નહીં: Check battery connections and ensure the battery has sufficient charge. Verify all wiring is secure and correctly polarized.
- બેટરી ચાર્જ થતી નથી: Check solar panel connections and ensure the panel is receiving adequate sunlight. Verify solar panel voltage and current. Confirm the correct battery type is selected in the settings.
- લોડ કામ કરી રહ્યું નથી: Check load connections and ensure the load is not overloaded or short-circuited. Verify the load control mode settings.
- ઓવરહિટીંગ: Ensure the controller is installed in a well-ventilated area and the heat sink is free from obstructions. Reduce the load if consistently overheating.
If problems persist after following these steps, contact EPEVER customer support or a qualified technician.
9. સ્પષ્ટીકરણો
Below are the technical specifications for the EPEVER VS2024AU 20A PWM Solar Charge Controller:
| પરિમાણ | Value (VS2024AU) |
|---|---|
| નોમિનલ સિસ્ટમ વોલ્યુમtage | 12V/24V Auto Work |
| બેટરી ઇનપુટ વોલ્યુમtage રેન્જ | 9V~32V |
| રેટેડ ચાર્જ/ડિસ્ચાર્જ વર્તમાન | 20A |
| મહત્તમ પીવી ઓપન સર્કિટ વોલ્યુમtage | 50 વી |
| Battery Type Support | Sealed (Default), Gel, Flooded |
| સમાન ચાર્જિંગ વોલ્યુમtage | Sealed:14.6V / Gel:No / Flooded:14.8V |
| બુસ્ટ ચાર્જિંગ વોલ્યુમtage | સીલ કરેલ:14.4V / જેલ:14.2V / પૂર:14.6V |
| ફ્લોટ ચાર્જિંગ વોલ્યુમtage | સીલ કરેલ/જેલ/ફ્લોડ:13.8V |
| લો વોલ્યુમtage પુનઃજોડાણ વોલ્યુમtage | સીલ કરેલ/જેલ/ફ્લોડ:12.6V |
| લો વોલ્યુમtage ડિસ્કનેક્ટ વોલ્યુમtage | સીલ કરેલ/જેલ/ફ્લોડ:11.1V |
| સ્વ વપરાશ | ≤10mA/12V; ≤18mA/24V |
| તાપમાન વળતર ગુણાંક | -3mV/°C/2V (25°C) |
| ગ્રાઉન્ડિંગ | સામાન્ય હકારાત્મક |
| યુએસબી આઉટપુટ | 5VDC/2.4A |
| એકંદર પરિમાણ | 160.9x94.9x49.3 mm (6.3 x 3.74 x 1.94 ઇંચ) |
| ટર્મિનલ્સ | 10mm²/8AWG |
| ચોખ્ખું વજન | 0.35kg (12.3 ounces) |
| બિડાણ | IP30 |
| કાર્યકારી પર્યાવરણનું તાપમાન | -25°C ~ +55°C |
| ભેજની રેન્જ | ≤95% (N.C.) |
Note: The parameters above are for a 12V system. For a 24V system, multiply voltage parameters by two.

Figure 8: Detailed technical specifications for the EPEVER VS-AU series, including VS1024AU, VS2024AU, VS3024AU, VS4524AU, and VS6024AU models.
10. વોરંટી અને સપોર્ટ
For warranty information, technical support, or service inquiries, please refer to the official EPEVER webસાઇટ પર જાઓ અથવા તમારા અધિકૃત ડીલરનો સંપર્ક કરો. વોરંટી દાવાઓ માટે ખરીદીના પુરાવા તરીકે તમારી ખરીદી રસીદ રાખો.





