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Flexible power management
For mobile professionals, battery life is vital, and what we particularly value is flexibility over power management. We like notebooks that ship with a second battery, for example — either as a replacement for the main battery when it runs out, or as an adjunct to the main battery sitting in a modular bay. We also like our batteries to have a built-in LED gauge so we can check the charge level without needing to power up the notebook. And the more ways of conserving or extending battery life there are, the better. Many manufacturers provide power management software with their notebooks that goes beyond the basic Windows offering, allowing you to selectively disable system components in order to conserve battery power.