Updated Version 9V / 12V / 24V to 5V DC-DC Buck / Car Battery Charger with USB Output

Description

What it is

This DC-DC buck is a car battery charger that converts an input voltage from 9V to 24V into 5V DC at a USB output of 3A.

Features

• Input Voltage: 9V – 24V
• Output Voltage: 5V
• Output Current: 3A
• SKU: ARD0011972
• Price: 1.72 €

What it is for

This car battery charger is ideal for charging USB devices from a car battery. It can be used to power Arduino and other electronic devices that require 5V.

Tutorial: How to use the 3A Car Battery Charger

This 9V/12V/24V to 5V DC-DC buck car battery charger is ideal for charging USB devices from a car battery. Useful for makers and electronics hobbyists.

What you need

• 9V/12V/24V to 5V DC-DC buck Car Battery Charger
• USB cable for connection
• Device to charge (e.g., smartphone, smartwatch)

Steps

1. Check the datasheet for the car battery voltage.
2. Connect the USB cable of the device to be charged to the USB output of the battery charger.
3. Connect the battery charger to the car battery with the specified cables.
4. Ensure that the poles (positive and negative) are correctly connected.
5. Leave the device charging for 30-60 minutes.
6. Check the charge level of the device.
7. If necessary, repeat the process.
8. Turn off the battery charger when not in use.

Mini project

Build a small smartphone charger to mount in the car. Use an adhesive mount to secure the battery charger and a USB cable to connect the device.

Common mistakes

• Connecting the poles incorrectly.
• Leaving the device charging for too long.
• Not checking the battery voltage.
• Not turning off the battery charger when not in use.

Recommended accessories

• Adhesive mount to secure the battery charger
• Different USB cable
• Other car battery
• Multi-purpose for checking the poles

Frequently asked questions

Can it charge devices with voltage higher than 5V?
No, the battery charger is designed to output only at 5V.

How long does it take to recharge a device?
30-60 minutes, depending on the battery capacity.

Can it charge multiple devices at the same time?
No, it is designed to charge only one device at a time.

Can it work with batteries different from the ones specified?
Check the datasheet for battery voltage compatibility.