Whenever I boot into Ubuntu the same situation (battery never crosses 50%) prevails there. What puzzles me is, there is no Lenovo application on Ubuntu. For that matter I don't use any battery manager on Ubuntu other than the default one. On Ubuntu the battery status shows as 'charging' but the percentage does not change. I'm now concerned about the long term implications of using this option on Windows. Second, as regarding the Battery setting: The lenovo energy management of windows 8 is having some problems.Ĭould you use the windows 7 version and see if the option works? What will happen if I remove Windows altogether from my machine?Įnergy Management does set to Optimized Battery Health How does a Windows based rule apply on Ubuntu? Does Lenovo Energy Management write something to battery firmware (I don't know about firmwares, just a wild guess). ![]() ![]() Maximum Battery Life generally means Energy Management will try to squeeze out as many minutes as possible when the laptop is running on the battery. Optimized Battery Health means Energy Management limits the battery charge to 60% so that the battery life is not prematurely shortened. When a battery is charged to 100% for a prolonged period of time it can actually shorten the life of the battery. That means if the battery can last 5 hours in normal usage when it is new, that battery life will decrease somewhat quickly over time if the battery is always kept at 100% charge. It has to do with the way a lithium battery works.
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