Why is the battery in my laptop bulging?
user
A common problem with lithium-ion batteries is that their outer metal can swell when exposed to very high temperatures.
assistant
What happens to them next?
user
The bulging usually causes a short circuit in the battery, which can lead to a fire.  Your laptop is very sensitive to overheating, and when this happens it usually stops working, then the battery can catch fire.
assistant
Why is the battery in my laptop bulging?
user
A common problem with lithium-ion batteries is that their outer metal can swell when exposed to very high temperatures.
assistant
What happens to them next?
user
The battery expands and eventually explodes, which can damage your laptop.
assistant
Why is the battery in my laptop bulging?