Dell Inspiron 14 (3443, Early 2015) - Manual (Page 14)

Replacing the 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
Slide the tabs on the battery into the slots on the battery bay and snap the
battery into place.
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