Battery; Lithium-Ion Battery Precautions - Dell Vostro 3581 Service Manual

Next steps
1 Replace the SD memory card
2 Replace the optical drive
3 Follow the procedure in

Battery

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.
• If a battery gets stuck in a device as a result of swelling, do not try to free it as puncturing, bending, or crushing a Lithium-ion
battery can be dangerous. In such an instance, the entire system should be replaced. Contact
assistance and further instructions.
• Always purchase genuine batteries from
24 Removing and installing components
after working inside your computer
https://www.dell.com or authorized Dell partners and re-sellers.
https://www.dell.com/support for