{"id":35,"date":"2011-10-30T10:01:40","date_gmt":"2011-10-30T17:01:40","guid":{"rendered":"http:\/\/tek-files.com\/?p=35"},"modified":"2011-10-30T15:02:48","modified_gmt":"2011-10-30T22:02:48","slug":"how-to-revive-a-drained-lithium-ion-laptop-battery","status":"publish","type":"post","link":"https:\/\/tek-files.com\/?p=35","title":{"rendered":"How to revive a drained Lithium Ion Laptop Battery"},"content":{"rendered":"

Many of us that have owned a laptop have noticed that their battery eventually just does not last as long. In my case I was cleaning out some of my hardware stockpile and came across an old Dell Inspiron 2650 laptop, I think this was produced around 2002, so a good 9 years old!\u00a0I plugged it in and pressed the power button\u00a0and it booted! Windows showed the battery was at 2%\u00a0so\u00a0I charged it overnight. In the morning it still showed 2%, I unplugged the power and it lasted a whole\u00a010 seconds\u00a0before windows caused the machine to shut down. So a trick a lot of techs have learned is windows is shutting down the machine because the battery is reporting such a low percentage available. It is possible the battery is reporting an incorrect percentage and it might have more power than it thinks. To see if that is the case with your laptop,\u00a0first turn off the setting that shuts down the machine when the battery reports a low percentage:<\/p>\n

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  1. Go to the control panel<\/li>\n
  2. click on “hardware and sound”<\/li>\n
  3. click on “power options”<\/li>\n
  4. You will see a section with radio button choices, find the radio button that is selected and to the right you’ll see the words “Change plan settings”, click on that.<\/li>\n
  5. This will bring you to a screen that shows you what occurs when the laptop is on battery or plugged in. At the bottom are 2 links, one of them is for “Change advanced power settings”, click on that.<\/li>\n
  6. A screen pops up displaying “Power Options”,\u00a0In the list is\u00a0“Battery”, expand that and in the list of items is “Critical battery action” and “Low battery action”, expand both of those and “On Battery” change the value to “Do Nothing”.<\/li>\n<\/ol>\n

    Charge up the battery overnight and then unplug the power. In my case the Dell showed 2% battery and the previous power setting told it to shut down if the battery was less than 5%. In the past it would have shut down at this point. My battery started to beep to indicate it was about to die. Well, guess what, it beeped for a whole hour before it eventually died. So even though it reported 2%, it had much more power in it and was just reporting an incorrect power level to windows. Now that it was truly drained, charge up the battery again and repeat the drain, do this a few times and the battery will start to report a somewhat more accurate but maybe still not the correct percentage to windows. Mine now showed 100%\u00a0and\u00a0lasts about 90 minutes.\u00a0Though not perfect, you’ll actually be able to run your laptop off the battery for a while and maybe stay off the need to buy a new battery for a few months.<\/p>\n

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    Many of us that have owned a laptop have noticed that their battery eventually just does not last as long. In my case I was cleaning out some of my hardware stockpile and came across an old Dell Inspiron 2650 … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,5,3,16],"tags":[],"class_list":["post-35","post","type-post","status-publish","format-standard","hentry","category-battery","category-hardware","category-laptop","category-lithium-ion"],"_links":{"self":[{"href":"https:\/\/tek-files.com\/index.php?rest_route=\/wp\/v2\/posts\/35","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tek-files.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tek-files.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tek-files.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tek-files.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=35"}],"version-history":[{"count":8,"href":"https:\/\/tek-files.com\/index.php?rest_route=\/wp\/v2\/posts\/35\/revisions"}],"predecessor-version":[{"id":64,"href":"https:\/\/tek-files.com\/index.php?rest_route=\/wp\/v2\/posts\/35\/revisions\/64"}],"wp:attachment":[{"href":"https:\/\/tek-files.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=35"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tek-files.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=35"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tek-files.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=35"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}