Power Without Limits: Discover the Strength of the 50A PWM Solar Charge Controller (12V/24V Auto LCD)

Stay confidently off-grid with the 50A PWM Solar Charge Controller. Featuring intelligent LCD monitoring, auto 12V/24V detection, and robust safety protections, it’s the powerful, worry-free choice for your solar system—whether on the road or on your land.

Congsin 50A MPPT Solar Charge Controller – High-Efficiency 12V/24V Regulator with Quad USB & Real-Time LCD Display

Perfect for large off-grid setups, mobile power stations, and energy-efficient solar charging.

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Power Without Limits: Discover the Strength of the 50A PWM Solar Charge Controller (12V/24V Auto LCD)

In today’s energy-conscious world, having complete control over your solar power system is more than just a smart decision—it’s essential. When managing high-energy loads or expanding your off-grid infrastructure, the need for a reliable and robust solar charge controller becomes critical. That’s exactly where the Congsin 50A PWM Solar Charge Controller comes in—a high-performance solution engineered for enthusiasts, professionals, and sustainable energy warriors alike.


What Makes the 50A PWM Solar Charge Controller Stand Out?

This model is more than just a controller—it’s a guardian of your solar investment. Designed for both 12V and 24V battery systems, the controller automatically detects voltage and adjusts accordingly. Its intelligent LCD screen offers real-time insight into charging status, system voltage, battery level, and load output.

With a current rating of 50 Amps, this device supports higher-capacity solar panels and battery systems, making it ideal for:

  • Large RVs

  • Solar-powered homes

  • Agricultural solar setups

  • Boats, cabins, mobile workstations

  • Solar business installations


Key Specifications at a Glance

SpecificationValue
Rated VoltageAuto 12V/24V
Max PV Voltage50V
Rated Charge Current50A
USB OutputDual USB, 5V/1A
Operating Temp.-35℃ to +60℃
Battery CompatibilitySealed, Gel, Flooded Lead-Acid
DisplayIntelligent LCD

Why You’ll Love It (Emotional Selling Points)

  • 🔋 Peace of Mind — Built-in protections eliminate the fear of overcharging or short circuits.

  • 🔌 Stay Connected — Charge your phone or tablet via dual USB ports during emergencies.

  • 🌞 Empowered Freedom — Go completely off-grid and stay powered even in the harshest conditions.

  • 📊 Real-Time Control — The LCD makes monitoring effortless, even for beginners.

  • 🧠 Smart Energy Flow — PWM tech ensures reliable and safe battery charging without complexity.


Use Cases That Make Sense

RV Solar Systems

Maximize your freedom on the road. The 50A PWM Solar Charge Controller gives your RV’s battery bank full protection and efficiency—perfect for nomadic travelers who never want to see a dead battery again.

Homestead or Cabin

Don’t risk your off-grid setup. For homesteaders and remote cabin dwellers, this charge controller ensures your solar panel system runs safely and efficiently all year round.

Agricultural Equipment

Power up irrigation systems, pumps, and solar lights on your farm with confidence. High amp support makes it ideal for daily operational reliability.


Intelligent Protection Systems

Your investment is safeguarded with:

  • Overcharge Protection

  • Over-discharge Protection

  • Reverse Polarity Protection

  • Load Short-Circuit Protection

  • Temperature Compensation

  • Low Voltage Disconnect (LVD)

These protections work together to extend battery life and keep your power flowing safely and steadily.


Comparison With Other Models

Feature30A PWM Controller40A PWM Controller50A PWM Controller
Max Charging Current30A40A50A
Battery Voltage Support12V/24V12V/24V12V/24V
USB OutputYesYesYes (Dual)
LCD DisplayOptionalIncludedSmart LCD
Off-grid System SuitabilityMediumHeavyUltra Heavy Duty

How to Install the 50A PWM Controller

  1. Connect your battery first to power up the LCD and initialize.

  2. Then connect the solar panel.

  3. Finally, connect your load (inverter, lights, etc.).

  4. Use the LCD to configure battery type and output modes.

  5. Mount securely in a well-ventilated, shaded area away from flammable materials.


Final Thoughts

The Congsin 50A PWM Solar Charge Controller delivers the stability, control, and reliability you need for serious solar power applications. Whether you’re setting up a life-changing solar system in the wilderness, or upgrading your existing power management hardware, this controller gives you complete command over your energy.

No more guessing. No more compromise.
Just clean, intelligent, worry-free power.

📊 Technical Specifications

ModelMPPT-50A
System Voltage12V / 24V Auto
Rated Charging Current50A
Max. PV Input Voltage50V
USB Output4 × 5V / 1A (2.5A max)
No Load Current≤10mA
Working Temperature-35°C ~ +60°C
CertificationsCE, RoHS, FCC, LVD

🏕️ Ideal For

  • ✔️ Medium to large RV solar charging setups
  • ✔️ Off-grid cabins, trailers, mobile workstations
  • ✔️ DIY solar kits and outdoor energy projects
  • ✔️ Marine, agricultural, and backup battery systems

📦 OEM & Bulk Orders

Need this controller with your own logo or customized packaging? Congsin supports full OEM/ODM services. Contact us to discuss bulk orders, regional branding, and exclusive supply partnerships.

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