Lenovo Y-550 15.6-Inch Black Laptop - Up to 4.5 Hours of Battery Life (Windows 7 Home Premium)

to preserve and extend battery life in your laptop there are several steps you can take first to verify how much time is left on the battery check out the tiny battery icon in the system tray if it isn't in the system tray and you're using Windows Vista right click on the control panels taskbar and choose properties click the notification area tab check the power item and click OK to get a battery icon to show up in windows XP open the control panel by going to the Start menu and clicking control panel then select the power options icon click the Advanced tab put a check mark by the always show icon on the taskbar option and click OK the battery icon is now in your system tray if you need to charge the battery plug the laptop into an electrical outlet using your AC power cable if you normally leave the laptop plugged into the wall socket all the time remove the battery to extend its lif