One of Apple's latest patents shows methods of battery consumption through smart power management of devices. There are several embodiments, all of which describe ways to manage battery power, and anticipate power deficiencies:
Methods and apparatus for managing power consumption of a battery-powered electronic device are disclosed. According to one embodiment, power management can take action to reduce power consumption to accommodate estimated power requirements. According to another embodiment, power management can notify a user when a power deficiency is anticipated. According to still another embodiment, power management can advise a user to charge a battery of the battery-powered electronic device. According to still another embodiment, a user can influence power management by user selections.
As we all know, battery life is essential in all portable devices. The case is even more so true with smartphones. Nobody wants to be without a phone for a day.
If battery life is a concern to you, we have posted a few tips and how to guides to ensuring that your battery lasts longer:
Cases with Battery Packs
Tips and Tricks to Prolonging Battery Life – iOS4 edition
6 Apps to Help Increase iPhone Battery Life