CN3791 MPPT Solar Charger Module
$1.53
♦ Specification
Model: CN3791(5V/9V/12V)
Input Voltage Range: 6V 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
Size: 20*45*9mm (LWH)
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Description
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.
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.
Usage Tips:
Connect the Solar Panel:
Connect the positive and negative terminals of the solar panel to the input terminals of the CN3791 module.
Connect the Battery:
Connect the positive and negative terminals of the lithium-ion battery to the output terminals of the module.
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).
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.
Protection Features:
The module includes built-in protection features. Ensure the operating conditions are within the specified ranges to avoid triggering protection mechanisms.
Applications:
Solar-powered battery charging
Renewable energy systems
Portable solar chargers
Off-grid solar systems
DIY solar projects
Remote sensing equipment
Additional information
| Voltage | CN3791 12V |
|---|---|
| Voltage | CN3791 12V, CN3791 6V, CN3791 9V |











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