When this happens the battery capacity begins to drop because the lithium ions that have started to clump together will no longer hold a charge. Lithium ions is allows the battery to hold a charge however, when the charge is too high the lithium ions starts to clump together to form lithium ion plates. The high charge causes something referred to a lithium ion plating. The reason is because as the battery is charged near it's maximum capacity a chemical reaction start to occur. The energy management software is purposely only allowing the battery to charge to 60% to help prolong the life of the battery. Since you cannot remove the battery from the Z400 laptop, it is best to only allow it to charge up to 60% and leave it alone.
It sounds like you simply use the laptop at home keeping plugged into the AC outlet all the time. but it is tiring task since it need to charge and discharge completelyĪnd i ever using other laptop before but never experience all this problem, i have conclusion maybe because of option to only charge to 60% and then i get another new question now, if i'm not using that software to limit only charge 60%, is it safe for me to charge to 100% and leave it plugged in? (since i use my laptop all day and this laptop battery life only around 2-3 hours) Luckily there is also calibrating option in that software that can calibrate the battery and make it right. So, i have this lenovo ideapad z400 laptop that have energy management software that allow me to make the laptop charge only to 60% and then not charging, i find it was good but after using a while (in windows 8.1), it just like my laptop can't recognized very well the battery capacity.ġ00%-30% is decreasing normally but after it reach less then 30% it suddenly jump to 7% and warn me to do charge or sometimes sleep/shutdown my laptop.
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