dv6700t - battery won't charge past a certain percentage. Never reaches 100%. Why??

First of all, this battery has been worn. I have owned this laptop since past three years and never needed to replace the battery. Even though its battery life has come down to only a few minutes, it still used to charge to 100% of its present capacity up till last week. Suddenly one day it stopped charging beyond 46%. I wait couple of days, and then rebooted, and later it went up to 57% charge mark but then stopped charging. Today I unplugged the laptop, and re-plugged it in, and it went upto 60% mark and then didn't budge from there. I know it is a three year old battery and I do understand this is the time to replace it but my question is why is it not charging to beyond a certain percentage, and why does this specific percentage mark keep moving (from 46% to 57% to 60% now). Since I mostly never need to unplug my laptop, so its always plugged in, therefore I dont have a need for a new battery urgently, but still want to understand this sudden odd behavior. Any ideas??

 

It sounds like one or more of the cells in the battery have died, that`s why it never reaches 100%, 2-3 years is about all you can expect you need to get from a battery, get a replacment.

Have you checked the battery wear level with HWmonitor.

CPUID - System & hardware benchmark, monitoring, reporting

 

Thanks. I guess your theory about died cells may be true. HWMonitor says wear level is 76% and charge level is 57%.

Any idea where can I get batteries for cheap?? I am seeing some on ebay but dont know if they are reliable or not.

 

Some are, some are not. It can be hit or miss. Look at the feedback details of the merchant. See what others are giving feedback-wise concerning batteries other than simply stating "fast shipping."