Feb
8
Microsoft Windows 7 Battery Test Findings Contradict Its Users
Are you “considering replacing your battery” since you’ve upgraded to Windows 7? Then decided to wait it out to see what Microsoft’s testing would uncover? Well, a blog article from Microsoft revealed that they “see nothing more than the normal course of battery degradation over time.”
The blog reminds us that “batteries usually have a warranty of 12 months, which is about the length of time when statistically we expect to see noticeable degradation.” And goes on to explain how Windows 7 calculates the battery life… Basically, the threshold is set at a 40% performing capacity or 60% degradation. If a battery originally had 5 hours of charge, it would now deliver an average 2 hours of charge. If a battery fails to perform at 40% capacity, the warning message appears. When testing systems that displayed the warning message, Microsoft concluded, “we’re simply seeing batteries that are not performing above the designated threshold.”
The test report discovered “only a very small percentage of users are receiving the ‘Consider replacing your battery’ notification, and as expected, we are seeing systems older than ~1.5 years.” However, if you’re still having issues contrary to these findings, Microsoft encourages you to send it in. TechNet, Microsoft Answers forum or the Microsoft Support page are their suggested means for reporting problems.
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