Solar Charge Controller 12V/24V PWM LCD Dual USB – 10A–60A

Solar Charge Controller 12V/24V PWM – Adjustable LCD, Dual USB, Timer Setting

Take full control of your solar power system with this versatile PWM Solar Charge Controller. Available in 10A, 20A, 30A, 40A, and 60A ratings, this controller automatically identifies 12V or 24V battery systems, making it a smart and flexible solution for off-grid solar setups, RVs, boats, cabins, and home solar installations.

Featuring a bright adjustable LCD display, dual USB output ports, and customizable timer settings, this controller gives you clear visibility and complete command over your charging parameters — all in one compact, CE-certified unit. Made in Mainland China.

Key Features

• Auto Voltage Detection: Automatically identifies 12V or 24V battery systems upon connection — no manual switching required.
• Wide Current Range: Choose from 10A, 20A, 30A, 40A, or 60A rated charging current to match your solar array size.
• Adjustable LCD Display: Monitor system status, voltage, and charging data at a glance with the clear, easy-to-read LCD screen.
• Dual USB Output: Two USB ports allow you to charge phones, tablets, or other USB devices directly from your solar system.
• Programmable Timer Settings: Set load control timers to automate connected devices and optimize energy usage.
• PWM Charging Technology: Pulse Width Modulation charging extends battery life and improves overall charging efficiency.
• Wide Operating Temperature: Functions reliably from -35°C to +60°C, suitable for demanding outdoor environments.
• CE Certified: Meets European safety and performance standards for peace of mind.
• Reverse Polarity Protection: Built-in safeguards help protect the controller and your battery from incorrect connections.

Technical Specifications

What's in the Box

• 1 × Solar Charge Controller

Installation Notes

• Always connect the battery to the controller first before connecting the solar panel.
• Ensure correct positive (+) and negative (–) polarity when wiring — do not reverse connections.
• Use a solar panel with specifications that are compatible with your chosen controller amperage rating to avoid damage.

For general guidance on solar energy systems and safe installation practices, visit the U.S. Department of Energy – Solar Energy Technologies resource page.

Frequently Asked Questions

Q: What is the difference between a PWM solar charge controller and an MPPT controller?

A: A PWM (Pulse Width Modulation) controller is a cost-effective solution ideal for smaller solar systems. It regulates charging by reducing the current flowing into the battery as it reaches full charge. An MPPT (Maximum Power Point Tracking) controller is more efficient and better suited for larger systems or situations where the panel voltage is significantly higher than the battery voltage. This PWM controller is a great choice for 12V/24V off-grid setups where simplicity and value are priorities.

Q: Can this solar charge controller work with both 12V and 24V battery systems?

A: Yes! This controller features automatic voltage identification — simply connect it to your battery and it will detect whether you have a 12V or 24V system and configure itself accordingly. No manual switching is needed.

Q: What can I power using the dual USB ports?

A: The two built-in USB output ports let you charge USB-compatible devices such as smartphones, tablets, LED lights, and small electronics directly from your solar power system — no additional adapter required.

Q: What amperage rating should I choose for my solar setup?

A: The amperage rating should match or exceed the short-circuit current of your solar panel array. For example, if your panels produce a combined short-circuit current of 18A, choose the 20A controller. When in doubt, select a slightly higher rating for a safety margin and room for future expansion.