Battery; Lithium-Ion Battery Precautions; Removing The 3-Cell Battery - Dell P46E Service Manual

Steps
1. Connect the battery cable to the system board, if the battery had been previously disconnected.
2. Align the screw holes on the base cover with the screw holes on the palm-rest and keyboard assembly, and then snap the base cover
into place.
3. Tighten the two captive screws that secure the base cover to the palm-rest and keyboard assembly.
4. Replace the six screws (M2x5) that secure the base cover to the palm-rest and keyboard assembly.
Next steps
1. Follow the procedure in

Battery

Lithium-ion battery precautions

CAUTION:
• Exercise caution when handling Lithium-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 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 3-cell battery

Prerequisites
1. Follow the procedure in
2. Remove the base cover.
About this task
The following image indicates the location of the 3-cell battery and provides a visual representation of the removal procedure.
After working inside your computer.
www.dell.com
Before working inside your
or authorized Dell partners and resellers.
computer.
Removing and installing components 15