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Discussion in 'MacBook Pro' started by irunthistown, Apr 15, 2011.
Can someone explain this ? I just opened final cut and watched a couple videos on Quicktime.
It's just basing that estimation on current usage, so watching videos uses more power, and will decrease your estimation.
Your battery life is determined by a number of factors, including screen brightness, WiFi, Bluetooth and what you have running. This should answer most, if not all, of your battery questions:
Apple Notebook Battery FAQ
So it can drop by 4 hours in less than 10 mins ?
Yes. Read the FAQ I posted. It also helps to calibrate your battery, to make sure your readings are accurate. Instructions are in that FAQ.
It estimates the battery life based on what you're doing. All that it is saying is that with Final Cut and those quicktime movies oven you should only expect 2 hours of battery life. The expected battery life would increase if you lowered your usage (i.e. closed quicktime or final cut).
If you open up final cut pro, then it uses up more CPU and hence a bigger battery drain.
The battery time you have read regarding 7 hours life, Is with 50% brightness or so and minimal usage... the more you have running the less battery you have and playing a movie Is one thing that really sucks battery...
The only way to deal with this is to throw your MBP out of the nearest window.
especially if you have the higher end 15 with the big boy GPU
Final Cut and quicktime both chew up the battery to some degree, especially FCP.
I can comfortably get 7 hours plus out of my mid 2010 15" i5 on light useage (web browsing etc) but if I start hitting the meaty apps then that battery will plummet.
Ripping a DVD in handbrake will reduce it from 7 hours plus to around 90 mins for example.
Also, do follow GGJ`s guide and calibrate your battery, it won`t improve the life of the battery but you will get more accurate estimates.
Better yet, switch to percentage instead of time remaining, you stress about it less I find...