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Laptop troubleshooting forum: Laptop: Sudden battery failure or something more?

by: Lee Koo (ADMIN) October 26, 2012 4:41 PM PDT

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Laptop: Sudden battery failure or something more?

by Lee Koo (ADMIN) ModeratorCNET staff - 10/26/12 4:41 PM

Laptop: Sudden battery failure or something more?

Dear friends, I have a HP Pavilion DV3 notebook running on Windows 7. It was purchased in December 2009. The battery has been slowly weakening but before it would last at least an hour. About a fortnight back, suddenly the battery has failed to power even for a minute. If the power plug is pulled out, the computer switches off, and does not even provide time to shut down properly. In my experience, battery failure occurs gradually, and not so suddenly. I don't mind replacing the battery. But, I do not know if there is any other problem besides the battery in this notebook. Could there be any other problem besides a weak battery? I would be grateful for any input on this issue, before I proceed to change the battery. In addition to this, if I do get a new battery for my laptop, can you please advise me on some of the best practices of keeping my new battery healthy? These batteries are expensive and I'd like to get the best performance out of it and maximize its life span. Thank you!

--Submitted by: Gururaj B.


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Battery charge cycles, UPS

by OntheCoast - 11/5/12 11:14 AM

In Reply to: Laptop: Sudden battery failure or something more? by Lee Koo (ADMIN) Moderator CNET staff

The thing I forgot to mention is the other reason I remove my laptop battery after charging is: I "see" the charge light come on when I am using the laptop while plugged in. My favorite computer shop says the battery is receiving a float charge and it will reduce my overall battery life. He does not know of ANY laptop that will take the battery down for example 85% and then charge it. Everyone wants their laptop fully charged, all the time. It is also cheaper to make the laptop without a "smart" charger. So, unless we want to go back to $2000 laptops, we live with the compromises.

Use a UPS, which are a lot cheaper than a laptop battery, remove the laptop battery when charged and go for it!


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