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Troubleshooting
Handling swollen rechargeable Li-ion batteries
Like most laptops, Dell laptops use Lithium-ion batteries. One type of Lithium-ion battery is the rechargeable Li-ion battery.
Rechargeable Li-ion batteries have increased in popularity in recent years and have become a standard in the electronics
industry due to customer preferences for a slim form factor (especially with newer ultra-thin laptops) and long battery life.
Inherent to rechargeable Li-ion battery technology is the potential for swelling of the battery cells.
A swollen battery may impact the performance of the laptop. To prevent possible further damage to the device enclosure or
internal components leading to malfunction, discontinue the use of the laptop and discharge it by disconnecting the AC adapter
and letting the battery drain.
Swollen batteries should not be used and must be replaced and disposed of properly. We recommend contacting Dell Support
for options to replace a swollen battery under the terms of the applicable warranty or service contract, including options for
replacement by a Dell authorized service technician.
The guidelines for handling and replacing rechargeable Li-ion batteries are as follows:
Exercise caution when handling rechargeable Li-ion batteries.
Discharge the battery before removing it from the laptop. To discharge the battery, unplug the AC adapter from the
computer and operate the computer only 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 type 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 battery
can be dangerous.
Do not attempt to reassemble a damaged or swollen battery into a laptop.
Swollen batteries that are covered under warranty should be returned to Dell in an approved shipping container (provided
by Dell)—this is to comply with transportation regulations. Swollen batteries that are not covered under warranty should
be disposed of at an approved recycling center. Contact Dell Support at Dell Support Site for assistance and further
instructions.
Using a non-Dell or incompatible battery may increase the risk of fire or explosion. Replace the battery only with a
compatible battery purchased from Dell that is designed to work with your Dell computer. Do not use a battery from other
computers with your computer. Always purchase genuine batteries from Dell Site or otherwise directly from Dell.
Rechargeable Li-ion batteries can swell for various reasons such as age, number of charge cycles, or exposure to high heat. For
more information about how to improve the performance and lifespan of the laptop battery and to minimize the possibility of
occurrence of the issue, search Dell laptop battery in the Knowledge Base Resource at Dell Support Site.
Locating the Service Tag or Express Service Code of
your Dell computer
Your Dell computer is uniquely identified with a Service Tag or Express Service Code. To view relevant support resources for
your Dell computer, we recommend entering the Service Tag or Express Service Code at Dell Support Site.
For more information about how to find the Service Tag for your computer, see Instructions on how to find your Service Tag or
Serial Number.
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