Is my Laptop battery ruined?

Question

for some reason now, my battery cant seem to hold a charge. It'll always abruptly cut off after about 10-30 seconds when i unplug the power cord. is this battery ruined permanently? if so, i would like to know what causes this so i dont do the same to my other battery. thanx in advance

Answer

This question was answered on December 14, 2004. Much of the information contained herein may have changed since posting.

How long have you had your battery? How often do you use it? Laptop batteries only tend to last about a year and after that they tend to loose charge a lot quicker Of course running more apps, watching movies will drain it faster You can play around with the power settings a bit to turn the LCD brightness down a bit when on a battery to save some power The big thing with rechargable batteries is that they work better when you fully charge them and then fully drain them But with a laptop the battery is always being charged then drained sometimes only for a few minutes A lot has to do with the way that a person charges a battery It does'nt matter if it is a laptop, cell phone, digi cam, etc...you should always let it drain all the way out(or as close to it as possible) and then recharge them again Batteries have a charge memory, think of it like this..

Your battery is rated for 1 hr on the laptop You start using your laptop running on batteries for 10mins and then you run over to plug in it...Now the memory of the battery starts thinking that the full charge is at 50mins instead of 1hr as it was at first I'm not saying that it will happen if you do it a few times but after a while of not letting the battery fully drain out you will start seeing the consequences of the battery not holding a long enough charge as it used to

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Author

Posted by Henry of Katharine Gibbs School - New York on December 14, 2004