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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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
Specification | Value |
---|---|
Rated Voltage | Auto 12V/24V |
Max PV Voltage | 50V |
Rated Charge Current | 50A |
USB Output | Dual USB, 5V/1A |
Operating Temp. | -35℃ to +60℃ |
Battery Compatibility | Sealed, Gel, Flooded Lead-Acid |
Display | Intelligent 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
Feature | 30A PWM Controller | 40A PWM Controller | 50A PWM Controller |
---|---|---|---|
Max Charging Current | 30A | 40A | 50A |
Battery Voltage Support | 12V/24V | 12V/24V | 12V/24V |
USB Output | Yes | Yes | Yes (Dual) |
LCD Display | Optional | Included | Smart LCD |
Off-grid System Suitability | Medium | Heavy | Ultra Heavy Duty |
How to Install the 50A PWM Controller
Connect your battery first to power up the LCD and initialize.
Then connect the solar panel.
Finally, connect your load (inverter, lights, etc.).
Use the LCD to configure battery type and output modes.
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
Model | MPPT-50A |
System Voltage | 12V / 24V Auto |
Rated Charging Current | 50A |
Max. PV Input Voltage | 50V |
USB Output | 4 × 5V / 1A (2.5A max) |
No Load Current | ≤10mA |
Working Temperature | -35°C ~ +60°C |
Certifications | CE, 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.