How to find the Correct Dell Battery?

Make sure the Dell laptop is unplugged and turned off, and that the Dell battery has cooled.
Flip the Dell laptop upside down. Push the Dell battery latch to the left "unlock" position. While holding the latch in this position, slide the Dell battery out of the computer.
Look for the serial number that is printed on the label on the back of the Dell battery. The serial number will be a combination of some letters and numbers that more conspicuous.
For you convenience, please refer to the pictures below to see an example for a T54FJ part number:

This is the easiest and the most direct way of locating the Model Name/Number of your device. Follow the steps given below to get your model as well as product number:

In most of the laptops, the label containing the information is located on the lower side of the device. To locate it, first of all, unplug the laptop from any AC cable and shut it down.
Reverse your laptop and keep it in a safe place.
On the base of the laptop, you may see a label where an icon of your computer manufacturer is printed.

Example 1: On the bottom of screen edge or near the keyboard

Example 2: The label on the back of the laptop

Example 3: On the "Power on" boot screen

After knowing your Dell Laptop Model Name or Dell Battery Part Number, you can search directly on our website.