And any laptop battery will "last 8 hours" in a laboratory, where they set an airconditioner to blow cold air straight into the computer, so the fan doesn't have to work at all. There are numbers of tricks to increase battery performance when measuring it. Regardless of what number they come up with, it is much more important how you manage the battery as a user. Do you expose it to direct sunlight, do you run it completely down and then all the way up once per month or do you just charge a little here and there, do you take it out if you are going to be working with thte charger connected for longer periods of time? All those things will determine how fast the battery looses capacity, sure, anyone of the laptop producers today can show 8 hours performance, but for how long will the battery keep that capacity? Many will loose it pretty quick, in say three months time or so, you will already see a notable difference in battery capacity and performance.
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The truth is not affected by the beliefs, or doubts, of the majority.
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