Battery; Lithium-Ion Battery Precautions; Removing Battery - Dell Latitude 7280 Owner's Manual

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

Removing battery

1 Follow the procedure in
2 Remove the base cover.
3 To remove the battery:
a Disconnect the battery cable from the connector on the system board [1].
b Remove the M2.0 x 5.0 screws that secure the battery to the computer [2].
NOTE: A 3-cell battery has a single screw, and a 4-cell battery has two screws. Hence, the image displayed below is a
4-cell battery.
c Lift the battery from the computer [3].
12 Disassembly and reassembly
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computer.
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