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battery times
- Thread starter roboGc
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macrumors 68020
it depends on what kind of tasks your laptop is performing. the heavier the load, the quicker the battery will drain. if you're just sitting there with wifi turned off, and typing some document in pages, then it will take the battery much longer to discharge than if you had wifi on, browsing youtube, or watching movies.
i have a 2012 mbp, and its battery usually lasts 4:30-5:30 hours.
i have a 2012 mbp, and its battery usually lasts 4:30-5:30 hours.
i fully charge it , boot it up and it may say 6 hours 35min or 5 hours 35min , and all iv done is turn on the laptop not opened anything
simsaladimbamba
Guest
Maybe Spotlight is indexing in the background, maybe your screen brightness is different due to the brightness in your location.
______________________________________________________
This should answer most, if not all, of your battery questions:
Apple Notebook Battery FAQ by GGJstudios
The F.A.Q. includes the following topics:
______________________________________________________
This should answer most, if not all, of your battery questions:
Apple Notebook Battery FAQ by GGJstudios
The F.A.Q. includes the following topics:
- BATTERY INFORMATION
- BATTERY LIFE FROM A CHARGE
- AC POWER
- CALIBRATION
- BATTERY LIFESPAN
- CHECKING STATUS AND HEALTH
- CHARGING
- WHAT IS A CYCLE?
- BATTERIES ARE NOT COVERED
- BULGING OR SWELLING BATTERY
______________________________________________________
simsaladimbamba
Guest
No need to scream, please read the FAQ I linked to, it will provide calm through the use of knowledge. If you still have questions after that, come back, but remain calm.
As for the stated times, those are varying due to the current power usage of your computer. Sometimes a process might hog the CPU for a minute or less and then the time display varies compared to a time when less power was needed.
simsaladimbamba
Guest
The remaining battery time indicator is just an estimate and will wildly fluctuate. As previously stated, it can deliver a smaller estimate just because some process is happening to run in the background at the time you look. Or maybe its reconnection to WiFi. Or whatever.
It calculates it based on how much power it is currently drawing. That will fluctuate based on the tasks you are performing. For example, let's say you're loading and rendering a heavy, Javascript, Flash filled web page. This causes the CPU and GPU to draw more power, which raises the total wattage your system is drawing. Let's say it jumps to 20 watts. If you have a 65 watt hour charge, your computer will think it has about 3 hours of life left. Once the page is rendered, your CPU and GPU will stop drawing as much power and you might go down to 12 watts or so. You computer will now think it has 5+ hours remaining.