Hello @foulger and welcome You can only optimize via the control center, I didn't find anything else in the user manuals. you have a barebones clevo NH55EPY, here the user manual. that in english is more detailed. a percentage setting of the battery does not seem to be possible https://www.clevo.com.tw/en/e-services/download/ftp_download.asp?sno=8331&no=3 bye Fishtown
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