Congsin 20A PWM Solar Charge Controller – Smart Off-Grid Battery Management with LCD & USB
Empower Your Solar Setup with the Congsin 20A PWM Solar Charge Controller
In a world increasingly reliant on clean and independent energy sources, having a reliable solar charge controller is critical for maximizing the performance and lifespan of your solar power system. Whether you’re living off-grid, traveling in your RV, or setting up a remote cabin or campsite, the Congsin 20A PWM solar charge controller delivers unmatched performance, safety, and control.
Thank you for reading this post, don't forget to subscribe!🔋 What Is a PWM Solar Charge Controller?
PWM (Pulse Width Modulation) is one of the most popular charge control technologies, particularly effective for small to mid-sized solar setups. It regulates voltage and current from solar panels to prevent battery overcharging or deep discharge. The Congsin 20A PWM controller is designed with accuracy and efficiency in mind, offering a reliable and affordable solution.
🌞 Why Choose Congsin’s 20A PWM Controller?
Here’s why thousands of solar enthusiasts and professionals choose our 20A PWM solar charge controller:
✅ Auto Recognition of 12V/24V battery systems
✅ Clear LCD Display for real-time voltage, current, and load status
✅ 4 USB Ports (5V 2.1A) for mobile device charging
✅ ≤10mA no-load loss for energy efficiency
✅ OEM/ODM Ready – Customize for your brand
✅ CE, FCC, RoHS, LVD certified – Trust in safety
🔧 Technical Specifications
| Feature | Details |
|---|---|
| System Voltage | 12V/24V Auto |
| Charge Type | PWM |
| Max Solar Panel Voltage | < 50V |
| Max Load Current | 20A |
| USB Output | 4× 5V 2.1A USB Ports |
| Display | LCD with status and error codes |
| Self-consumption | ≤10mA |
| Working Temperature | -35°C to +60°C |
💡 Ideal Use Cases
The Congsin 20A PWM charge controller is your perfect companion in:
🔋 RV & Camper Setups – Keep your batteries fully charged and phones topped up
🏕️ Off-grid Cabins – Control your solar system efficiently without expensive inverters
🌐 Backup Solar Power Systems – Protect and regulate emergency setups
🏠 DIY Solar Projects – Beginners love the ease and safety of our controller
📦 Wholesale OEM Distribution – Congsin offers branding customization
🚀 Emotional Benefits You’ll Love
Peace of Mind — Overvoltage and overcurrent protection keeps your batteries safe.
Ultimate Control — See everything on the large LCD display at a glance.
Freedom Anywhere — Solar power wherever your adventures take you.
Smart and Efficient — Low standby power usage keeps systems running longer.
📦 What You Get in the Box
1× Congsin 20A PWM Solar Charge Controller
1× User Manual
OEM Packaging Available for Bulk Orders
🔗 Internal & External Links
🔍 Who Should Buy This?
Small solar system owners
Off-grid enthusiasts
RV/camping hobbyists
Solar wholesalers looking for OEM solar controller solutions
eCommerce dropshippers building solar kits
💬 Final Thoughts
The Congsin 20A PWM solar charge controller stands out not just for its specs, but for its reliability and value. With its modern LCD display, 4 USB outputs, and automatic voltage recognition, it simplifies solar setups for everyone — from seasoned installers to off-grid adventurers. Protect your batteries, power your devices, and enjoy energy independence.
📎 Call to Action
👉 Get Your 20A PWM Solar Charge Controller Today
💼 For bulk orders or OEM customization, Contact Us
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