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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. Make sure laptop is unplugged and powered off.
    • Make sure laptop is unplugged and powered off.

  2. Use a Phillips screwdriver to remove the eight screws securing the back cover. Remove the back cover.
    • Use a Phillips screwdriver to remove the eight screws securing the back cover.

    • Remove the back cover.

    I actually used the PH00 screw bit, but the PH0 screw bit fits as well.

    Jordan Rush - crwdns2853112:0crwdne2853112:0

  3. Use a Phillips screwdriver to remove the two screws securing the battery in place. Carefully peel the tape holding the battery cable in place.
    • 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. 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.
    • 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. 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.
    • 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. 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.
    • 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.

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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.

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brandon bradshaw

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Kyber Computer Solutions LLC crwdns2886886:0Kyber Computer Solutions LLCcrwdne2886886:0

Business

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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 - crwdns2853112:0crwdne2853112:0

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