12V/24V 20A PWM Solar Charger Controller with USB | SUOER Solar Charge Regulator
For solar system users seeking a reliable, efficient charge management solution, the 12V/24V 20A PWM Solar Charger Controller with USB is a practical and cost-effective choice. Designed to intelligently manage solar energy input, this controller regulates the charging process of 12V or 24V batteries, prevents overcharging and damage, and features a built-in USB port for convenient device charging. Compatible with various solar panels and battery types, it’s ideal for home solar systems, off-grid setups, RVs, boats, and small-scale solar projects, delivering stable performance and extended battery life.
Key Features of 12V/24V 20A PWM Solar Charger Controller with USB
Crafted with user convenience and durability in mind, this PWM solar charger controller stands out with its practical features, organized in clear sections for easy viewing. Below are its core highlights:
1. Dual Voltage Compatibility: 12V/24V Auto Recognition
Equipped with 12V/24V auto-recognition technology, this controller automatically adapts to the voltage of your solar system and battery, eliminating the need for manual adjustment. Whether you’re using a 12V or 24V solar panel and battery setup, it seamlessly matches the system voltage, ensuring optimal charging performance and wide compatibility with different solar configurations.
2. 20A Charging Current & PWM Charging Technology
With a 20A maximum charging current, this controller efficiently handles solar energy input, suitable for solar panels with corresponding power (up to 240W for 12V systems, 480W for 24V systems). Adopting PWM (Pulse Width Modulation) charging technology, it provides stable and efficient charging, extending the service life of lead-acid, lithium-ion, and gel batteries by preventing overcharging, over-discharging, and short circuits.
3. Built-in USB Port for Convenient Charging
Featuring a built-in USB port, this solar charger controller offers additional convenience for charging small electronic devices such as smartphones, tablets, cameras, and power banks. No need for extra adapters—simply plug in your devices directly, making it perfect for off-grid living, camping, or outdoor solar setups where portable charging is needed.
4. Intelligent Charging Management & Battery Protection
The controller integrates intelligent charging management, supporting three-stage charging (bulk, absorption, float) to maximize battery capacity and lifespan. It also comes with comprehensive protection features: Overcharge Protection (cuts off charging when battery is full), Over-discharge Protection (shuts down to prevent battery damage), Short Circuit Protection (quickly disconnects power to avoid hazards), and Reverse Polarity Protection (prevents damage from incorrect wiring).
5. Clear LED Display for Real-Time Monitoring
Designed with a bright LED display, the controller shows real-time status of the solar system, including solar panel input voltage, battery voltage, charging current, and working mode. This allows you to easily monitor the system’s performance, identify potential issues, and ensure optimal operation without the need for additional monitoring tools.
6. Easy Installation & User-Friendly Design
With a compact, lightweight design and standard wiring terminals, this PWM solar charger controller is easy to install and operate—no professional electrician required. The clear wiring instructions and labeled terminals simplify the installation process, making it suitable for both DIY enthusiasts and professional installers. The durable ABS case is flame-retardant and impact-resistant, ensuring long-term use in various environments.
7. Certified Quality & Wide Application
Manufactured by SUOER with 21 years of R&D and production experience in solar energy products, this 12V/24V 20A PWM solar charger controller passes ISO9001, CE, and RoHS certifications, meeting international quality and safety standards. It’s widely used in home solar systems, off-grid cabins, RVs, boats, street lights, and small-scale solar projects, delivering reliable performance in both indoor and outdoor environments.
Why Choose 12V/24V 20A PWM Solar Charger Controller with USB from SUOER?
This 12V/24V 20A PWM Solar Charger Controller with USB combines versatility, efficiency, and convenience, making it the ideal choice for managing your solar system’s charging process. Its auto-voltage recognition, PWM technology, USB port, and comprehensive protection features ensure stable performance and extended battery life. Backed by SUOER’s professional after-sales support, this controller offers long-term reliability, helping you maximize the efficiency of your solar energy investment.
