Skip to main content

Introduction

This guide shows how to remove and replace a worn battery for the Dell Latitude 7480 laptop.

For your safety, discharge your battery below 25% before disassembling your device. This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair. If your battery is swollen, take appropriate precautions.

  1. Dell Latitude 7480  Battery Replacement, Battery: step 1, image 1 of 1
    • Make sure laptop is unplugged and powered off.

  2. Dell Latitude 7480  Battery Replacement, Remove the back cover: step 2, image 1 of 2 Dell Latitude 7480  Battery Replacement, Remove the back cover: step 2, image 2 of 2
    • Use a Phillips screwdriver to remove the eight screws securing the back cover.

    • Remove the back cover.

  3. Dell Latitude 7480  Battery Replacement, Unscrew the battery: step 3, image 1 of 2 Dell Latitude 7480  Battery Replacement, Unscrew the battery: step 3, image 2 of 2
    • Use a Phillips screwdriver to remove the two screws securing the battery in place.

    • Carefully peel the tape holding the battery cable in place.

    • Be careful not to puncture the battery.

  4. Dell Latitude 7480  Battery Replacement, Disconnect the battery cable: step 4, image 1 of 3 Dell Latitude 7480  Battery Replacement, Disconnect the battery cable: step 4, image 2 of 3 Dell Latitude 7480  Battery Replacement, Disconnect the battery cable: step 4, image 3 of 3
    • Using the pull tabs pull up and remove the battery connector from the motherboard.

    • Remove the battery and set aside to remove the connector cable.

    • If your new battery did not come with a connector cable you will need this.

    • Remove the connector cable. Set aside to apply to the new battery.

  5. Dell Latitude 7480  Battery Replacement, Install the battery cable: step 5, image 1 of 2 Dell Latitude 7480  Battery Replacement, Install the battery cable: step 5, image 2 of 2
    • Connect the battery cable to the new battery. You can skip this step if your new battery came with one installed.

    • Connect one end of the battery cord to the battery. Route the cord in the channel between battery cells.

  6. Dell Latitude 7480  Battery Replacement, Install the new battery and test: step 6, image 1 of 2 Dell Latitude 7480  Battery Replacement, Install the new battery and test: step 6, image 2 of 2
    • Install the new battery by doing the steps in reverse. Be sure to test the device with and without AC power applied to the laptop.

    • Dispose of old battery properly and safely.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.

17 other people completed this guide.

brandon bradshaw

Member since: 08/21/2017

574 Reputation

1 Guide authored

Team

Kyber Computer Solutions LLC Member of Kyber Computer Solutions LLC

Business

1 Member

3 Guides authored

One Comment

Thank you!

Didn’t need the entire teardown, just the batter Watt-hour and general shape to make sure I am buying the correct thing.

Keep up the great work for the community.

jeff5496 - Reply

Add Comment

View Statistics:

Past 24 Hours: 27

Past 7 Days: 107

Past 30 Days: 470

All Time: 28,490