CN3791 9V MPPT Solar Charger Module

The CN3791 9V MPPT Solar Charger Module is an efficient and compact solution designed for charging lithium-ion batteries using solar panels. It utilizes Maximum Power Point Tracking (MPPT) technology to optimize the power output from solar panels, ensuring maximum efficiency and faster charging. This module is ideal for use in solar-powered projects, renewable energy systems, and portable battery charging applications.

Technical Specifications:

• Model: CN3791
• Input Voltage Range: 9V to 30V
• Output Voltage: 4.2V (fixed for single-cell lithium-ion batteries)
• Charging Current: Up to 3A (adjustable)
• MPPT Efficiency: Up to 98%
• Battery Type: Single-cell lithium-ion (Li-ion) battery
• Operating Temperature Range: -40°C to +85°C
• Module Dimensions: Compact size for easy integration
• Protection Features: Overcurrent protection, overvoltage protection, and thermal protection

Features:

• MPPT Technology: Ensures maximum power extraction from solar panels, improving charging efficiency.
• High Efficiency: Up to 98% MPPT efficiency for faster and more efficient charging.
• Adjustable Charging Current: Allows customization of charging current up to 3A to suit different battery capacities.
• Compact Design: Small form factor for easy integration into various projects.
• Protection Features: Built-in overcurrent, overvoltage, and thermal protection to safeguard the module and connected batteries.
• Wide Input Voltage Range: Supports a wide range of solar panel voltages from 6V to 30V.

Applications:

• Solar-powered battery charging
• Renewable energy systems
• Portable solar chargers
• Off-grid solar systems
• DIY solar projects
• Remote sensing equipment

Usage Tips:

1. Connect the Solar Panel:
   • Connect the positive and negative terminals of the solar panel to the input terminals of the CN3791 module.
2. Connect the Battery:
   • Connect the positive and negative terminals of the lithium-ion battery to the output terminals of the module.
3. Adjust the Charging Current:
   • Use a suitable resistor to set the desired charging current (refer to the module’s datasheet for resistor values and corresponding currents).
4. Monitor the Charging Process:
   • Ensure the module and battery are properly connected and monitor the charging process. The module will automatically optimize the charging efficiency using MPPT technology.
5. Protection Features:
   • The module includes built-in protection features. Ensure the operating conditions are within the specified ranges to avoid triggering protection mechanisms.

The CN3791 6V MPPT Solar Charger Module is an excellent choice for anyone looking to harness solar energy efficiently to charge lithium-ion batteries. Its high efficiency, adjustable charging current, and built-in protection features make it a reliable and versatile component for a wide range of solar-powered projects.