30A Smart Solar Controller by Congsin – Full Protection, 4 USB Ports & Auto Voltage Detection for Mobile Solar Kits

Congsin 30A PWM solar controller supports 12V/24V auto detection with LCD screen and 4 USB ports, ideal for off-grid applications in RVs, boats, and small solar power systems.

Congsin 30A PWM Solar Charge Controller – Reliable Power Management for 12V/24V Solar Systems

The Congsin 30A Solar Charge Controller is designed for users who demand stable and safe solar charging in RVs, cabins, and marine systems. With dual USB ports and a real-time LCD display, it supports both 12V and 24V setups, making it perfect for modular solar systems.

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🔋 Why Choose Congsin’s 30A PWM Controller?

  • 30A charging current – Supports solar arrays up to 360W (12V) / 720W (24V)
  • Smart 12V/24V auto-switching for lead-acid, sealed, and gel batteries
  • Real-time LCD display for voltage, current, and charging status
  • Dual 5V USB outputs for phone or device charging
  • Comprehensive protection – overload, short circuit, reverse polarity

📌 Technical Details

Specification Value
Rated Current 30A
Battery Voltage 12V / 24V Auto
Max PV Input 50V
USB Ports 2 × 5V / 1A
Certifications CE / FCC / RoHS / LVD
Temperature Range -35°C to +60°C

🏕️ Common Use Cases

This controller is optimized for:

  • RV solar systems and off-grid trailers
  • 12V marine battery charging with solar input
  • Backyard cabins, sheds, and solar light stations
  • DIY portable solar panel kits and survival systems

📦 Support for OEM & Dropshipping

Planning to launch your own solar kit brand? Congsin supports private labeling and bulk ordering. Our 30A solar controller is compatible with Amazon, eBay, and Walmart sellers. OEM inquiries welcome.

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