Batteries; Lithium-Ion Battery Precautions; Removing The Batteries - Dell Latitude 7220 Service Manual

Component
System board
Rear camera

Batteries

Lithium-ion battery precautions

CAUTION:
• Exercise caution when handling Lithium-ion batteries.
• Discharge the battery as much as possible before removing it from the system. This can be done by disconnecting
the AC adapter from the system to allow the battery to drain.
• Do not crush, drop, mutilate, or penetrate the battery with foreign objects.
• Do not expose the battery to high temperatures, or disassemble battery packs and cells.
• Do not apply pressure to the surface of the battery.
• Do not bend the battery.
• Do not use tools of any kind to pry on or against the battery.
• Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental puncture or
damage to the battery and other system components.
• If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending,
or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for
assistance. See www.dell.com/contactdell.
• Always purchase genuine batteries from

Removing the batteries

Prerequisites
1. Follow the procedure in
NOTE: This tablet can accommodate two hot-swap capable batteries (Primary and optional). The removal procedure of
the primary and optional battery are identical.
About this task
The figure indicates the location of the batteries and provides a visual representation of the removal procedure.
Screw type
M2x5
M2x3
M1.6x5
M2x5
www.dell.com
before working inside your
Quantity
11
2
2
3
or authorized Dell partners and resellers.
tablet.
Screw image
Removing and installing components 11