How many long does laptop's battery actually should lasted?

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Aesia_Omar

Reputable
Dec 26, 2015
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Hey, it is almost six months since I've got my new laptop, Asus. Maybe about 3-4 hours and the battery decreased to 10%. Is that normal for a laptop? And sometimes when I'm not using it, like shut down it or sleep, the battery will decrease even I have left it fully charged.
 
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basroil
1) Can't tell you if that's normal for YOUR laptop.
2) A good rule of thumb is that a 13" laptop with 50WHr battery will run about 10 hours in idle with 100nits, and 3 hours at 100%. Varies on model of course.
3) Batteries WILL discharge over time. Worse than that, charged batteries will deteriorate if left charged (or completely discharged) for extended periods. If you plan on keeping your laptop off for over a month, leave the battery at ~40% charge and put it in a sealed bag with moisture absorbent packs in a cool place (refrigerator works, but do NOT put it in the freezer)
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basroil

basroil

Glorious
Oct 19, 2013
8,698
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46,960
1) Can't tell you if that's normal for YOUR laptop.
2) A good rule of thumb is that a 13" laptop with 50WHr battery will run about 10 hours in idle with 100nits, and 3 hours at 100%. Varies on model of course.
3) Batteries WILL discharge over time. Worse than that, charged batteries will deteriorate if left charged (or completely discharged) for extended periods. If you plan on keeping your laptop off for over a month, leave the battery at ~40% charge and put it in a sealed bag with moisture absorbent packs in a cool place (refrigerator works, but do NOT put it in the freezer)
 
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