![]() not to mention that Facebook's code a year later may be less or more efficient, causing more or less battery usage). if I need to use Facebook for 5 hours constantly during each benchmark, its VERY unlikely that I will do the exact same thing during both benchmarks. Ideally the benchmark should not require me to be present at the computer and use it constantly (this would mean that I would need to temporarily disable the sleep timers), since then it wouldn't actually reflect a reproducible benchmark (e.g. Ideally I want the benchmark to not last a long time so that I don't waste time benchmarking, however, at the same time, I don't want to overheat the battery which could cause permanent damage. Do you think that when performing these battery benchmarks I should quit these applications or leave them running? My guess is that I should quit as many applications as possible to reduce the chance that one of them won't behave exactly the same between benchmarks. I have several programs running in the background (BetterTouchTool, KeyRemap4MacBook, DropBox, iAntiVirus), which I expect to be running throughout my MacBooks life. Thus, there is no point of replacing its batteries. So while it's less than the 7 hours promised by Apple, my battery hasn't actually degraded at all, since it matches the same benchmark I used before. I test it again, and find out that its still holding 5 hours of battery (it just seemed like it was holding less). ![]() A year later, I may notice that the battery isn't holding as much power, and decide I want to benchmark it. Since it is not the same, I would like to benchmark my battery life right now (while the battery is fairly new) so that in the future when the battery feels like it isn't holding as much charge, I can know if it's due to the battery life diminishing, or if it's simply my perception that the battery is not holding as much as it used to.įor example, say I find out that my MacBook Air only holds 5 hours of battery life today. I just recently got a MacBook Air and noticed that its battery life is much lower than Apple's estimate of 7 hours.
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