وحدة تحكم شحن شمسي PWM 20 أمبير 12 فولت/24 فولت

Generic 30A 12V/24V Intelligent PWM Solar Charge Controller

The Generic 30A PWM Solar Charge Controller is a versatile and intelligent device designed to manage solar power systems efficiently. It regulates charging and discharging from solar panels to 12V or 24V battery systems, ensuring battery safety, stability, and long-term performance. Suitable for home, RV, camping, and off-grid solar installations.

🔧 Key Features

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  Rated Current: 30A

  
  


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  System Voltage: Auto-detects and supports 12V or 24V systems

  
  


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  Charging Type: PWM (Pulse Width Modulation) for stable and efficient battery charging

  
  


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  LCD Display: Real-time system information including voltage, current, battery status, and error indicators

  
  


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  Dual USB Output: 5V USB ports for charging mobile phones, fans, and small devices

  
  

⚡ Built-in Protection Features

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  Overcharge protection

  
  


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  Over-discharge protection

  
  


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  Overload protection

  
  


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  Short-circuit protection

  
  


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  Reverse polarity protection

  
  


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  Temperature compensation (if equipped)

  
  

📐 Technical Specifications

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  Max Solar Panel Input Voltage: ≤ 50V

  
  


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  Supported Battery Types: Sealed, GEL, Flooded lead-acid (configurable)

  
  


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  Max Charging Voltage:

  
  
  
  
  
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    14.4V (for 12V systems)

    
    
  
  
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    28.8V (for 24V systems)

    
    
  
  
  
  


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  Cut-off Voltage (Low Battery Protection):

  
  
  
  
  
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    ~10.7V (12V)

    
    
  
  
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    ~21.4V (24V)

    
    
  
  
  
  


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  Recovery Voltage:

  
  
  
  
  
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    ~12.6V (12V)

    
    
  
  
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    ~25.2V (24V)

    
    
  
  
  
  


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  USB Output: 5V / 2A max

  
  


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  Self-consumption: ≤10mA

  
  


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  Working Temperature: –20°C to +55°C

  
  


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  Dimensions: Approx. 150 × 80 × 35 mm (may vary by model)

  
  


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  Material: ABS plastic casing with ventilation

  
  

🛠️ Terminal Connections

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  PV + / PV – → From solar panel

  
  


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  BATT + / BATT – → To 12V/24V battery

  
  


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  LOAD + / LOAD – → For DC loads (lights, fans, etc.)

  
  


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  USB Ports → For 5V devices (phone, USB lamp)

  
  

⚠️ Important: Always connect the battery first, then the solar panel, and finally the load. Disconnect in the reverse order to avoid damage.

💡 Ideal Applications

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  Off-grid solar systems

  
  


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  RV and camper solar setups

  
  


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  Small home solar installations

  
  


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  Garden lighting or solar-powered street lights

  
  


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  Educational solar kits and projects

  
  

✅ Why Choose This Controller?

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  Reliable 30A output for small to medium solar systems

  
  


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  Intelligent auto-voltage detection

  
  


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  LCD interface for easy setup and monitoring

  
  


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  Compact and durable design

  
  


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  Affordable and suitable for DIY and professional use