Some at work noticed that his phone’s battery had swollen up so much that it popped the battery cover off his phone.
Here are his photos comparing his bad battery, with a colleague’s good battery. Can you guess which one is bad?
Someone claimed that swollen batteries is a fail state (as opposed to spontaneous combustion - not as desirable). I’m not battery expert - but that’s a pretty funny looking battery.
Dennis T Cheung is currently a Program Manager at Microsoft on Live QnA. You can reach him by clicking here.
The posts on this weblog are provided "AS IS" with no warranties, and confer no rights. The opinions expressed herein are my own personal opinions and do not represent my employer's view in any way.
Not investment advice. Use at your own risk. Consult with a medical or financial professional before proceeding. Assume that I have a financial stake, positive or negative, in all products and companies mentioned on this site - unless otherwise noted.
© 2008, Dennis T Cheung
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One Comment to “When cell phone batteries go bad”
January 25th, 2008 at 8:14 am
but why do batteries expand like that? what causes them to do it
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