CN3791 Solar Panel MPPT / Solar Charger / Lithium Battery Charger 3.7V – 4.2V

Description

What it is

The CN3791 is a solar MPPT (Maximum Power Point Tracking) panel with integrated solar charger for lithium batteries. It is a complete module that allows converting solar energy into usable electrical energy to charge batteries.

Features

• Solar Power Supply
• Integrated MPPT
• Lithium Battery Charger 3.7V – 4.2V
• SKU: ARD0011935
• Price: 6.15 €

What it is for

The CN3791 module is ideal for small-scale solar energy projects. It can be used to power electronic devices, robots, or portable lamps. It allows charging lithium batteries for use in autonomous applications or in situations where access to the electrical grid is limited.

Tutorial: How to Use CN3791 Solar MPPT Panel

The CN3791 module is a high-efficiency solar charger for lithium batteries, ideal for small-scale solar energy projects. This tutorial will guide you through the installation and connection of the module.

What you need

• CN3791 Solar Panel MPPT
• lithium battery 3.7V-4.2V
• solar panel for power supply

Steps

1. Check the compatibility of the solar panel with the CN3791 module.
2. Connect the output of the solar panel to the input connector of the CN3791 module.
3. Connect the lithium battery to the output of the CN3791 module.
4. Check that the poles are correctly connected (positive with positive, negative with negative).
5. Optional connection: if necessary, connect a light sensor to activate automatic charging at sunset.
6. Check the battery voltage using a multimeter.
7. Periodically monitor the charge status and battery life with this solar system.

Mini project

Create a portable solar-powered lamp for daytime outdoor use. Connect the CN3791 module to a small solar panel and a lithium battery, then use the stored energy to power an LED.

Common mistakes

• Incorrect polarity connection (+ with – or vice versa).
• Use of a solar panel incompatible with the input voltage of the CN3791 module.
• Lack of periodic monitoring of the battery charge.

Recommended accessories

• 5V Solar Panel, SKU: ARD0012468
• Lithium Battery 3.7V-4.2V, SKU: ARD0011937
• Digital Multimeter, SKU: ARD0011939

Frequently asked questions

What is the input voltage of the CN3791 module?
Check the datasheet.

How long does it take to fully charge a lithium battery with the CN3791 module?
Depends on the battery capacity and solar conditions. Monitor the charging voltage with a multimeter.