with maintenance functions to extend the endurance

A lot of laptop battery life claimed capacity of up to 3 hours, but use had been only less than 2 hours battery life, this may be no reasonable maintenance of the battery, for which a lot of laptop battery maintenance of built-in features to the Sony laptop, for example, VAIO Control Center managing the user interface, running under the "batteries and maintenance functions" icon, then click on "Enable battery maintenance functions" option, and then need to set up battery maintenance level, for example, many users use the power adapter when you do not want to battery to take down, this time once the battery is less than 100% (for example, 99%), Msi wind u100 battery access will be immediately after the alternating current to charge the battery, this time select "Battery maintenance functions", the battery power necessary to reduce to 80% charge only the beginning and choose a "super battery maintenance functions", the battery power is lower than 50%, will begin charging.
Haier notebook built-in battery discharge procedures
To Samsung notebook, for example, please turn off when using notebook, then disconnect the AC power adapter connection to start using the battery-powered laptop. Boot and press F2 key to enter the BIOS settings, in the "Boot Dveice Priortty" menu, select "Smart Battery Calibration" option, and press "Enter" button and select "YES" option, to continue to press "Enter" key to activate the battery calibration feature at this time BIOS may use force to discharge the battery operation, but it should be noted, the discharge operation of about 3 ~ 5 hours to perform, the actual length of time depends on battery capacity and remaining battery power,Msi wind u90 battery and therefore do not discharge during the power outages, crashes and other issues Otherwise, it will damage the batteries, discharge after the shutdown, and then re-charge the battery can.
Samsung notebook BIOS battery calibration in the The power scheme set to Always On
For neither discharge software, BIOS not any discharge functional notebook, this time can take advantage of Windows for self-discharge method is to first disable the system screen saver, and then "power scheme" is set to "always open" and then in the " Alerts "tab will be" insufficient power warning "is set to 10%," police operation "is set to" no operation ", and then will be" a serious power shortage alert, "set to 3%," police operation "is set to" wait " can be. At this point the screen brightness to the highest, to confirm the closure of all programs window, and save all the data from previous work, confirmed that over 80% battery charge after the unplug the power and all external devices discharge, discharge after the end of notebook will automatically shut down.