Reliable 30A MPPT Solar Charge Controller with LCD & USB | Perfect for Off-Grid RV and Cabin Systems

Congsin 30A MPPT solar charge controller offers smart, stable, and secure solar power regulation for 12V/24V systems. Featuring dual USB ports, real-time LCD display, and intelligent MPPT tracking, it’s the perfect choice for off-grid solar setups in RVs, cabins, and remote homes.

Experience Reliable Off-Grid Power with the Congsin 30A MPPT Solar Charge Controller

If you’re looking for uninterrupted, reliable solar energy control, the Congsin 30A MPPT Solar Charge Controller is a game-changer. Whether you’re powering an RV in the wilderness or maintaining a stable energy supply in an off-grid cabin, this controller blends precision, efficiency, and convenience like no other.

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What is a 30A MPPT Solar Charge Controller?

An MPPT (Maximum Power Point Tracking) controller regulates the voltage and current from your solar panels, ensuring you extract maximum energy from your solar setup. The 30A capacity makes it suitable for mid-range solar installations and works seamlessly with 12V and 24V battery systems.

Compared to PWM controllers, MPPT technology improves efficiency by up to 30%, especially in colder or cloudier climates.

Key Features of the Congsin 30A MPPT Solar Charge Controller

  • Automatic 12V/24V recognition

  • Advanced MPPT technology for better efficiency

  • LCD Display showing real-time voltage, current, and status

  • Dual USB Outputs (5V 1A & 2.5A) for charging phones, tablets, GPS

  • Max PV Voltage: 50V

  • Low standby current ≤ 10mA

  • Working Temp: -35°C to +60°C

  • RoHS / CE / FCC / LVD certified for global safety compliance


Why You’ll Love It

💙 Peace of Mind
Built-in protection from overcharging, overheating, short circuits, and reverse polarity. Keeps your battery safe and long-lasting.

💡 User-Friendly Interface
The LCD screen offers intuitive display of power data, charging stages, and device status at a glance.

🔋 Versatile USB Charging
Forget bulky adapters. Plug your mobile devices directly into the controller’s USB ports.

🏕️ Ideal for RVs, Cabins, and Remote Locations
Lightweight yet durable. Perfect for portable and permanent off-grid systems.


Technical Specifications Table

FeatureSpecification
Rated VoltageAuto 12V / 24V
Max PV Voltage50V
USB Output5V 1A + 5V 2.5A
No Load Current≤ 10mA
Operating Temperature-35°C ~ +60°C
LCD DisplayYes
USB Ports2x USB
CertificationsCE, FCC, RoHS, LVD

Use Cases

  • 🔋 Solar home kits

  • 🚐 RV / Campervan setups

  • 🏠 Cabin solar systems

  • 🔧 DIY off-grid power projects

  • 🔦 Emergency power backup


How Does It Compare to Other Controllers?

FeatureCongsin 30A MPPTPWM Controller
EfficiencyUp to 98%~70%
LCD DisplayLimited
USB ChargingDual USBUsually None
Auto Voltage Detect
Price-to-PerformanceExcellentBasic

Installation & Support

Installing the Congsin 30A MPPT solar charge controller is quick and easy. Follow the step-by-step guide included in the box or visit our installation video tutorial.

For detailed specs and installation manuals, check our official Congsin Support Page.


Why Choose Congsin?

Congsin has 27 years of experience in inverter and solar power technology. Trusted by global distributors and OEM partners, we ship our MPPT solar controllers, pure sine wave inverters, and DC-DC converters to over 40 countries.

👉 See our full MPPT Controller Collection
👉 Also check our 600W Car Power Inverter for mobile applications.


Final Thoughts: A Reliable Solar Partner

The Congsin 30A MPPT Solar Charge Controller is more than just a regulator—it’s a lifeline for off-grid reliability. Whether you’re a solar beginner or seasoned installer, you’ll appreciate its smart functionality, safety-first design, and unbeatable value.

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