Squeeze more life out of your battery
2010-06-29 12:27:00
Long-life batteries from Dell and HP can keep laptops running for as
many as 20 hours at a stretch. But you don't need a powerful external
battery to get more use out of your current battery. There are several
things you can do now to extract precious additional minutes from the
basic six-cell battery found in most laptops Toshiba
PA3291U-1BAS.
Adjust only a few factors and you'll derive most of the available
power savings. The biggest consumers of battery power are the screen,
the processor, the optical drive, and the disk. Of these, the screen is
by far the most important. It's also the easiest to adjust. Lower the
brightness of the screen to the lowest level at which you can
comfortably work and you'll have done more to save battery life than any
other tweak can deliver.
[ Twenty hours on a single charge? Read about InfoWorld's test
and download our InfoCountdown benchmark to measure your own laptop's
battery life. ]
The processor is frequently beyond your immediate control --
you've got to get the work done. However, eliminating background tasks
such as listening to music or streaming video will lighten the
processor's load. Similarly, keeping Wi-Fi use to a minimum can buy you
significant time. When you have a choice, plugging in a network cable is
much Toshiba
PA3291U-1BRS easier on your battery than wireless networking.
Optical drives are largely used for optional activities, such as
watching DVDs, listening to CDs, or ripping music. These are all
power-hungry uses. Since most of them can be postponed with little
downside, avoid using the optical drive until you can plug in to a power
source.
One component that does not Satellite
P20 Series battery consume much power is the hard disk.
In fact, the widely accepted view that SSDs (solid-state drives)
provide important power savings over mechanical drives is simply wrong.
The power savings delivered by SSDs when compared with hard drives is
minimal to nonexistent. Per various hardware vendors, an SSD adds only
about 10 minutes of useful life to a battery charge. This fact shows
just how far hard-disk technology has advanced: Despite relying on many
moving parts, its power consumption runs even with a solid-state device Satellite
P25 Series battery.
SSDs should be bought either to ruggedize a system or for performance
benefits, but not for energy savings.
Some of these adjustments Toshiba
PA3382U-1BAS can be automated by using the
power-consumption profiles that are set up by the various operating
systems or hardware-vendor Toshiba
PA3382U-1BRS utilities. Many users choose one profile they
feel suits them and never change it. However, changing profiles is easy
to do and will conserve battery life. So Satellite
A60 Series battery if you know your current
workload will stretch your battery's capacity, switch to a lighter,
economy profile. And then switch back to your regular profile once
you're fully charged.
Toggling power profiles will keep you from having to configure several Satellite A65 Series battery components to stretch your battery life. Or simpler yet, consider one of today's long-life batteries.
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