Battery Life on brand new macbook pro 15 inch i5 only lasting 3 hours

The battery on my macbook pro is only lasting 3 hours with light use...If i'm watching a video or on a game it lasts maybe an hour or 2. I charged it fully when I first got it out of the box 2 days ago.
I have tried calibrating it which worked a little bit. But still nothing like the promised 8 hours. Not even near 6 hours.
Can anybody help?

I tell you how to maximise it mate .. Fully charge your battery and leave it on charge for 2 hours .and then create the minimum power consumption scenario ( kill bluetooth , minimise brightness , kill all apps etc ) AND THEN remove the plug .. use at this state until about 70% charge and continuously monitor the capacity like I mentioned earlier when you see it hit a high, plug it in you will see now that will become your permanent capacity .. allow full charge and leave it plugged for a day . .repeat the same .. after about a week now this time do the same but reduce down to the 40% range and always plug in at a high capacity point..you will train you r battery this way ..
I am glad I could help .. altho it took a bit of fighting the external obstructions it's all good
take care ,,

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Full cycle? 100%, of course.
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horn0371 wrote:
Why does my brand new MacBook pro have 13 cycles on the battery right out of the box? Shouldn't it have 0 because it's brand new.
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<Edited by Host>

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Battery Life on brand new macbook pro 15 inch i5 only lasting 3 hours

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