Battery; Rechargeable Li-Ion Battery Precautions; Removing The Battery - Dell NOT22422 Owner's Manual

Battery

Rechargeable Li-ion battery precautions

CAUTION:
● Exercise caution when handling rechargeable Li-ion batteries.
● Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and
operate the computer solely on battery power—the battery is fully discharged when the computer no longer
turns on when the power button is pressed.
● 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 rechargeable Li-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
● Swollen batteries should not be used and should be replaced and disposed properly. For guidelines on how to
handle and replace swollen rechargeable Li-ion batteries, see

Removing the battery

Prerequisites
1. Follow the procedure in
NOTE: Ensure that your computer is in Service Mode. For more information see, step 6 in
computer.
2. Remove the SD card.
3. Remove the base cover.
NOTE: If battery was disconnected from system board for service, there will be a delay during system boot-up as the
system will undergo RTC battery reset.
About this task
CAUTION: The information in this removal section is intended for authorized service technicians only.
The following images indicate the location of the battery and provide a visual representation of the removal procedure.
52 Removing and installing Field Replaceable Units (FRUs)
Before working inside your
www.dell.com or authorized Dell partners and resellers.
Handling swollen rechargeable Li-ion
computer.
batteries.
Before working inside your