Description
What it is
The USB DC Buck 12V24V module is a fast charging device for compatible mobile phones featuring Quick Charge 3.0 (QC3.0) technology. This module allows for rapid charging of devices using a DC power supply ranging from 12V to 24V.
Features
- Compatible with Quick Charge 3.0 (QC3.0) technology
- Fast charging for mobile phones
- Power supply from 12V to 24V
What it is for
This module is ideal for makers and tech enthusiasts who desire a fast and reliable charging system. You can use it to build a portable mobile charger with a helmet and a 12V LiPo battery. The module can be connected to the battery input and the USB cable can be connected to the mobile phone.
Tutorial: How to use the USB DC Buck / 12V24V module
This module allows you to quickly charge your mobile phone using a DC power supply from 12V to 24V. Ideal for makers and tech enthusiasts who want a fast and reliable charging system.
What you need
- USB DC Buck / 12V24V Module
- USB Cable
- DC Power Supply from 12V to 24V
- Mobile Phone
Steps
- Check that the module has the following specifications: 12V – 24V DC input, 5V DC output, 1A max.
- Connect the USB cable to the module.
- Connect the DC power supply to the module.
- Connect your mobile phone to the USB cable.
- Check the datasheet to see if the module supports QC3.0.
- If necessary, adjust the output voltage with a trim potentiometer (if present).
- Wait for the phone to charge.
- Verify that the charging is fast and safe.
Mini project
Build a portable mobile phone charger using this module, a salvaged case, and a 12V LiPo battery. Connect the module to the battery input and the USB cable to the mobile phone.
Common mistakes
- Do not use input voltages higher than 24V.
- Make sure the module supports QC3.0.
- Do not connect the module without a load (phone).
- Check that the output voltage is correct before connecting the phone.
Recommended accessories
- DC Power Supply 12V-24V
- Recovery Helmet
- LiPo Battery 12V
- USB A-B Cable
Frequently asked questions
Does the module support all types of phones?
Check the datasheet to see if the module supports your phone model.
Can I use this module with a laptop?
This module is designed to charge cell phones, not laptops.
How long does it take to charge the phone?
The charging time depends on the phone model and the remaining charge percentage.




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