NOTE: Discharge the DELL batteries as much as possible before removing from the system. This can be done by disconnecting the DELL AC adapter from the system (while the system is turned on) to allow the system to drain the DELL Precision 5520 battery.
Follow the procedures in Before Working Inside Your Computer .
Remove the Base cover
Perform the following steps to remove the DELL Precision 5520 battery:
Disconnect the DELL Precision 5520 battery cable from the system board .
Remove the seven M2x4 screws that secure the DELL Precision 5520 battery to the computer .
Lift the battery off the computer .
Do not apply pressure to the surface of the battery
Do not bend
Do not use tools of any kind to pry on or against the DELL Precision 5520 battery.
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| DELL Precision 5520 battery |
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| DELL Precision 5520 battery |
Brand new DELL Precision 5520 11.4V 4649mAh laptop batteries
Voltage: 11.4V
Capacity: 4649mAh (56Wh)
Battery cells: 3-cell
Chemical: Li-ion
Battery Color: Black
Condition: new original battery
Warranty: 9 months
