Dell Inspiron 15 (7548, Late 2014) - Manual (Page 29)

Replacing the Coin-Cell
Battery
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before Working Inside Your Computer . After working inside your
computer, follow the instructions in After Working Inside Your
Computer . For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.
Procedure
1 With the positive-side facing up, snap the coin-cell battery into the
battery socket.
2 Adhere the mylar tape over the coin-cell battery.
Post-requisites
1 Replace the battery .
2 Replace the base cover .
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