Battery life: Tested system equipped with 8-cell battery, 4GB memory, nVidia GeForce GT 525M graphics, Intel Core i5-2410M, and 500GB/7200RPM hard drive. Based on testing using the Mobile Mark 2007 battery life benchmark test. For more information about this benchmark test, visit HYPERLINK "http://www.bapco.com/". Test results should be used only to compare one product with another and are not a guarantee you will experience the same battery life. Battery life may be significantly less than the test results and varies depending on your product’s configuration, software, usage, operating conditions, power management settings and other factors. Maximum battery life will decrease with time and use.