How to Find the Parameters of a Laptop Charger

There are several ways to find the right parameters of a laptop charger:

1. Check the laptop's manual: The manual will usually list the charger's parameters, including the input voltage, output voltage, output current, and power.

2. Check the laptop's product label: The product labekl is a label on the back of laptop that usually lists the charger's parameters, including the output voltage and output current.

3. Check your Original Charger: You can double check with your original charger if you still have it.  On the Charger's Label it will have all the details like: the input voltage, output voltage, output current, and power.

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Main types of laptop charger port interfaces identification:

Currently, there are several main types of laptop charger port interfaces:

1. Round interface: This is the most common type of charger port interface, commonly used for older laptops. The size of the round interface varies, but the diameter is usually between 5.5 mm and 7.5 mm.

Sometimes the charger will comes with different sizes of the Head Pin. Such as the example blow: 

In this case, you need to test the size of the pin with your ruler and identify the size of the pin to make sure you ordered the correct product .

2. Square interface: The square interface is also relatively common, usually used for newer laptops. The colour of the square interface also varies, so the colur might be a symbolize to search the correct charger on the website. Such as the example below: 

3. Type-C interface: The Type-C interface is a new type of interface that can be used for charging, data transmission, and video output. 

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If you have an original old charger, the product label of your computer, or photos of the charger information on the manual, you can send them to our email address, and our customer service staff will help you find the charger parameters.

Here are the steps on how to send an email:

1. Open your email client.
2. In the "To" field, enter our email address: info@polartech.com.au
3. In the "Subject" field, enter "Find Charger Parameters".
4. In the "Body" field, enter your name, contact information, and the charger parameter information you are looking for.
5. Attach the photos of the information you have taken or scanned.
6. Click the "Send" button.

We look forward to receiving your email.

Here are some additional tips for sending an email:

• Make sure your email is clear and concise.
• Be sure to include all of the necessary information, such as your name, contact information, and the charger parameter information you are looking for.
• Attach any relevant files, such as photos of the charger information.
• Proofread your email before sending it.

We hope this information is helpful to you.