It’s not unusual for new
hardware to have a few bugs to work out, but Apple’s response to the
battery life issues its users have been experiencing with the MacBook
Pro seems to take the cake. The macOS 10.12.2. update dropped today, and
it contains a bevy of bug fixes and improvements — along with one
puzzling removal. According to Apple, it’s simply too difficult to
calculate how much battery life a CPU has remaining, and the company has
removed this feature from the latest edition of its operating system.
That’s right. If you have a Mac, Apple will no
longer tell you how much longer the battery might last. You’ll still
get a report on the percentage of battery life remaining, but nothing
else. Apple does think it’s nailed down some graphical corruption issues
that were plaguing users with AMD’s RX 460, and there are
some improvements to palm rejection and a few Touch Bar changes.
The battery life issue remains puzzling,
however, despite Apple’s apparent lack of interest in investigating the
topic. Tech writers at The Verge
report
that their testbed Apple laptop could barely squeak through six hours
of battery life, to the point that Apple agreed to send a replacement
unit for testing. That unit failed to do any better, which puts these
laptops well below the 10 hours of battery life that Apple is claiming —
and while no claim about battery life can be accurate to every single
use-case, Apple has a reputation for generally providing the battery
life it promises.
What’s even more unusual about this is that
other sites and forum users
have reported that their own battery life is fine and hitting the 10
hour mark without incident. There are several possibilities here. First,
there’s a chance that Apple chose to source certain components from
different manufacturers, and that discrepancy is hitting battery life.
While this isn’t impossible, it doesn’t seem very likely, either. Using a
different screen or Wi-Fi solution might extend battery life by a small
amount, but it wouldn’t create a four-hour difference.
Second, it’s possible that some systems aren’t
dropping into lower power states the way they should be, possibly due
to a software issue. We’ve seen issues like this before in mobile, where
ad-supported games and apps drain battery life much more quickly than
their paid equivalents because they don’t turn the Wi-Fi modem off
properly when ads aren’t being displayed. Microsoft also made much of
the fact that Chrome, even after the work Google has done to
improve the situation,
still draws more power than Microsoft Edge. It’s entirely possible that
the reason some users are seeing 10 hours while others are seeing 5.5
or 6 is related to a subtle software configuration issue or improperly
configured driver that’s knocking some systems out of power states more
rapidly than it should.
In fact, this speaks to the fundamental issue
with the power management techniques now advanced by Intel, AMD, and
various ARM vendors. The promise of this technology is that it can cut
power consumption dramatically by fine-tuning the SoC. When these
systems work, all is well. When they don’t work properly, or don’t play
nice with other system hardware, drivers, or web browsers, you end with a
situation where some consumers clearly see a problem, others don’t, and
the company doesn’t have a roadmap to resolve the issue.
I know there are some Mac faithful who will
buy whatever Apple churns out, no matter what. But between the battery
life, the dongles, and the decision to recycle Intel’s older Skylake
chips instead of holding for Kaby Lake this is the most troubled MacBook
Pro update in years. If you bought one of these systems, we’d be very
interested to hear how your battery life has been, and whether you’ve
found any tricks for improving it (before Apple took away the actual
battery timer, natch).
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