Introduction
If you have a Dell Precision 3580 PC that is either not holding a charge when unplugged or swelling near middle of the keyboard, there is most likely an issue with your battery. This guide will demonstrate the process of replacing the battery for a Dell Precision 3580 in detail.
In the event of a swollen battery, remember to exercise caution when attempting to remove and dispose of it.
For your safety, discharge your battery below 25% and shut down the laptop before disassemby.
Tools
Parts
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            Insert a pry tool into the seam between the lower case and chassis. 
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            Slide the pry tool around the entire perimeter of the lower case, prying every couple of centimeters, until the lower case fully releases. 
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            Remove the lower case. 
 
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            Remove all five Phillips screws securing the battery. 
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            Lift the battery up and out of the chassis. 
 
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            Flip the battery and peel the tape that holds its cable in place to remove it. 
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            Disconnect the end of the cable connected to the battery so it can be moved to the replacement. 
 
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            Connect the cable to your replacement battery. 
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            Align the cable with the groove on the underside of the battery and secure it using the tape. 
 
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            Install the replacement battery gently and replace all five of the screws that secure it in place. 
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            Gently reconnect the battery connector to its motherboard socket. 
 
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For optimal performance, after completing this guide, calibrate your newly installed battery. 
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.