Description
What it is
The USB Mini Battery Solar Charging Board 500MA / MINI CN3065 4.4-6V Solar Charging Module is a module that allows lithium batteries to be charged via solar energy. It is based on the solar charging chip CN3065 and can provide a charging current up to 500mA.
Features
- Battery Charging Voltage: 4.4-6V
- Charging Current: 500mA
- Charging Chip: CN3065
- Connection: USB
- Battery Type: Lithium
What it is for
This module is ideal for powering small Arduino and DIY projects that require a solar energy source. It can be used to charge 3.7V lithium batteries and power devices such as sensors, LEDs, and small motors. It is perfect for portable solar energy projects, such as solar lighting systems or environmental monitoring devices.
Tutorial: How to use Solar Charging Mini Module CN3065
The Mini CN3065 solar charging module is ideal for charging lithium batteries from 4.4 to 6V. It is perfect for solar energy projects and for those who want to incorporate solar charging into small devices.
What you need
- Mini CN3065 Solar Charging Module
- Lithium Battery
- Solar Panel
- Mini-B USB Cable
- Arduino (optional)
- 3D Printing (by chance)
Steps
- Check the operating voltage of the lithium battery and ensure it is between 4.4V and 6V.
- Connect the Mini CN3065 solar charging module to the solar panel.
- Connect the Mini CN3065 solar charging module to the lithium battery via the Mini-B USB cable.
- Check that the power LED is on to confirm that charging is in progress.
- If necessary, connect the Mini CN3065 solar charging module to an Arduino to monitor the charging status.
- Regularly check the charge status of the lithium battery.
- Once the battery is fully charged, the Mini CN3065 solar charging module will automatically stop charging.
- If necessary, use 3D printing to create a protective housing for the Mini CN3065 solar charging module.
Mini project
Create a portable solar energy system using the Mini CN3065 solar charging module to charge a 3.7V lithium battery. Connect the battery to a small Arduino device and use the Mini CN3065 solar charging module to keep the battery always charged.
Common mistakes
- Connect a lithium battery with a voltage higher than 6V
- Do not check the operating voltage of the 3.7V lithium battery
- Do not connect the Mini CN3065 solar charging module to a solar panel
- Do not monitor the charge state of the 7.4V lithium battery
Recommended accessories
- 3.7V lithium battery
- 5V solar panel
- Mini-B USB cable
- Arduino Uno
Frequently asked questions
How long does it take to fully charge a battery?
Check the datasheet of the Mini CN3065 solar charging module for specific details.
Can it be used with any type of lithium battery?
Yes, but make sure the battery’s operating voltage is between 4.4V and 6V.




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