CN3791 12V MPPT Solar Charger Module

The CN3791 12V MPPT Solar Charger Module is a high-efficiency Maximum Power Point Tracking (MPPT) solar battery charging module designed for charging 12V battery packs from solar panels. Based on the CN3791 MPPT charge controller IC, it automatically tracks the optimum operating point of the solar panel to maximize power transfer, resulting in faster and more efficient charging compared to conventional PWM chargers. Featuring a buck (step-down) DC-DC charging topology, adjustable charging parameters, and built-in protection circuits, the CN3791 12V MPPT Solar Charger Module is ideal for solar-powered systems, battery backup units, off-grid applications, and renewable energy projects. Available at Directronics, it is suitable for students, hobbyists, makers, educators, and professional engineers. (Directronics)

Features:

• Maximum Power Point Tracking (MPPT) Charging

• High-Efficiency Buck DC-DC Charging

• Based on CN3791 MPPT Charge Controller IC

• Designed for 12V Battery Charging

• Solar Input Voltage: 12V–24V DC

• Charging Current up to 3A (Module Dependent)

• Automatic MPPT Voltage Tracking

• Adjustable Charging Parameters

• Over-Voltage and Over-Current Protection

• Screw Terminal Connections for Secure Wiring

• Compact and Robust PCB Design

• Ideal for Solar Energy and Battery Charging Applications

Why Choose CN3791 12V MPPT Solar Charger Module?

• Maximizes solar panel power output with MPPT technology

• Faster and more efficient charging than traditional PWM chargers

• Simple integration into solar-powered systems

• Built-in protection for reliable operation

• Compact design suitable for DIY and industrial applications

• Suitable for beginners, students, hobbyists, and professionals

Applications:

• Solar Battery Charging Systems

• Off-Grid Solar Power Systems

• Solar Street Lights

• Battery Backup Systems

• Renewable Energy Projects

• DIY Solar Projects

• Portable Solar Chargers

• IoT Solar Power Applications

• Educational Electronics Projects

• Prototype Development

Technical Specifications:

• Product Type: MPPT Solar Charger Module

• Controller IC: CN3791

• Charging Method: MPPT Buck (Step-Down) DC-DC Charger

• Solar Input Voltage: 12V–24V DC

• Battery Output Voltage: 12V Nominal

• Supported Battery Types: 12V Lead-Acid / Lithium Battery Packs (Configuration Dependent)

• Maximum Charging Current: Up to 3A (Module Dependent)

• MPPT Function: Automatic Maximum Power Point Tracking

• Adjustment: Onboard Potentiometer

• Protection Features: Over-Voltage and Over-Current Protection

• Connection Type: Screw Terminals

• Operating Temperature: -40°C to +85°C

Package Includes:

• 1 × CN3791 12V MPPT Solar Charger Module

Related Products:

• 12V Solar Panel

• 12V Lead-Acid Battery

• 12V Lithium Battery Pack

• Solar Panel Connector Cable

• DC Barrel Power Connector

• INA219 Current Sensor Module

• ZMPT101B AC Voltage Sensor Module

• Arduino Uno

• ESP32 38Pin Development Board

• DC-DC Buck Converter Module

Why Buy from Directronics?

Directronics provides quality development boards, communication modules, sensors, electronic components, robotics modules, power management solutions, and IoT products for students, makers, educational institutions, startups, and industry professionals. Explore our complete range of Arduino, ESP32, ESP8266, Raspberry Pi, power modules, motor drivers, programming tools, and embedded development products to bring your ideas to life. (Directronics)

Note:

Product images are for illustration purposes only. Actual PCB layout, dimensions, connector type, and component placement may vary depending on the manufacturing batch. The CN3791 12V MPPT Solar Charger Module is designed for charging 12V battery packs from compatible solar panels and should be used with the correct battery chemistry and charging parameters. Ensure proper polarity during installation and use a solar panel with an appropriate voltage and power rating for optimal performance. Proper heat dissipation and ventilation are recommended when operating at higher charging currents.