Docstoc Tips Help You Extract Every Second From Your Tablet’s Battery

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					                                                                                                                            14/08/2011 09:09

                5 Tips Help You Extract Every Second From
                Your Tablet’s Battery

                                                                                         Reduce Display Brightness

                5 Tips Help You Extract Every Second From Your
                Tablet’s Battery

                Tablets are becoming a popular mobile device, and
                their impressive endurance is one of the greatest
                draws. Most tablets can last eight to ten hours even
                when displaying mobile video or surfing the web.

                This is plenty for most users, but there may come
                a time when you need even more life. These five
                tips can help you extract every second from your               Most tablets are simply hardware strapped to a dis-
                tablet’s battery.                                              play, resulting in the characteristic tablet appea-

                                                                               rance. This provides a large display with minimal
                                                                               weight, but it also means there is a large viewing
                                                                               area to power. As with large smartphones, the dis-
                                                                               play often draws more power than any other com-
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                                                                                                                              14/08/2011 09:09

                5 Tips Help You Extract Every Second From Your Tablet’s Battery

                As such, simply dimming the display will have a po-              Obviously, disabling 3G/4G will cut of mobile data
                sitive impact on battery life. While there’s often an            access unless Wi-Fi is available, but this is a trade-off
                automatic brightness feature available, it’s usually             that will sometimes be worthwhile. Turning of Wi-Fi
                less aggressive than needed to provide maximum                   as well as Bluetooth can further improve life, but the
                battery life. Taking control of brightness yourself              impact won’t be as drastic as turning of 3G/4G. Wi-Fi
                is often a better option.                                        and Bluetooth radios are built to communicate over
                                                                                 shorter ranges and consume less power as a result.
                         Turn Off Wireless Radios
                                                                                           Turn Off Background Data

                                                                                 If you’d like to have access to mobile data on de-
                                                                                 mand, but also want to cut power draw slightly,
                                                                                 you don’t have to turn off the radios. Instead, you
                                                                                 can simply turn off background data.

                                                                                 Doing this will disable your tablet’s ability to update
                                                                                 apps with new information from the Internet auto-
                                                                                 matically. For example, emails will not appear until
                                                                                 you specifically open the email app and check for
                                                                                 them, and feeds from sites like Facebook won’t be
                Tablets do not rely on mobile data quite as much                 updated until you request it.
                as smartphones, but they still make heavy use of
                it. Wi-Fi is standard on virtually all tablets, and many         Turning off background data may greatly improve
                also include access to 3G and/or 4G from a major                 battery life, or may not impact it noticeably. The
                mobile data carrier.                                             improvement will depend on how many apps you

                                                                                 have active that use background data as well as the
                These radios suck power, however. A 3G/4G radio                  type of mobile data connection you rely on.
                can have a negative impact on endurance if used
                often or if used in areas with a poor signal. The
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                solution is to just turn the radio off.


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                                                                                                                              14/08/2011 09:09

                5 Tips Help You Extract Every Second From Your Tablet’s Battery

                                  Turn Off GPS                                   an app that your tablet is running in the background.
                                                                                 Apps are supposed to nicely terminate or suspend
                Like a Ninja, GPS can kill your battery before you               themselves when not in active use, but this doesn’t
                even know it’s a problem. GPS location data re-                  always occur as it should.
                quires communication with satellites orbiting the
                earth, which are used to determine your exact lo-                Fortunately, it’s not difficult to keep tabs on what
                cation. As you can imagine, this isn’t a boon to your            is making use of your tablet’s battery life. Android
                battery.                                                         tablets will provide you with this information un-
                                                                                 der Settings->Applications->Battery Use. Apple fans
                Normally, GPS is kept under control and used only                can monitor their iPad’s battery with apps such
                in short bursts. However, it can on occasion go a bit            as Activity Monitor. Once you’ve found the app that
                out of control, and it’s easy to accidently cause this           is consuming your battery it can be terminated or
                by opening a navigation or map app that’s using GPS              uninstalled.
                data. Turning off GPS in settings will make location
                data less accurate, but won’t eliminate it completely,             Conclusion – Beyond Conservation
                since your tablet will still be able to obtain location
                data from Wi-Fi and mobile data networks.                        All of the tips above will help your tablet’s battery,
                                                                                 in some cases providing several additional hours
                         Monitor App Power Draw                                  of time away from a power socket. If you’re still
                                                                                 not finding that the endurance of your tablet meets
                                                                                 your needs, however, consider an extended battery.

                                                                                 These are not common, but some do exist, such as
                                                                                 New Trent’s 8900mAh external batterywhich is com-
                                                                                 patible with most mobile devices. Some docks also
                                                                                 provide additional battery life, such as the ASUS
                                                                                 Eee Pad Transformer’s keyboard, which extends
                                                                                 estimated battery life from 9 to 16 hours.

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                If you’ve followed the above steps and your tablet’s
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                battery still isn’t satisfactory, the culprit is probably


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