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battery is horrible under snow leopard (solved)

V

vertigo78

macrumors regular
Original poster
right now i have the brightness down to the lowest setting and only have firefox open. i have a 76% charge remaining and the battery meter is telling i have 1:42 left. i have a late 2008 unibody macbook pro. before snow leopard i could consistently get 3 hours of battery life with wifi on and 4 hours with no wifi. after snow leopard i cant get beyond 2 hours even with wifi off and no programs running. has anyone with a late 2008 mbp experienced bad battery life?
 
Download coconut battery. This a free application and it will tell your the health of your battery. If it is poor and you have apple care, kindly ask them to replace it for you.
 
I wonder why that might be? OpenCL is more energy demanding to run? I thought SL was suppose to be more efficient, thus, required less power to operate?
 
2.53ghz 4gb 320gb

i have coconut battery and istat pro it says the battery has a 96% health. before snow leopard it said 99%. i have calibrated several times but that doesn't change anything.
 
MacsOnAnabolics said:
I wonder why that might be? OpenCL is more energy demanding to run? I thought SL was suppose to be more efficient, thus, required less power to operate?
Click to expand...
What's using OpenCL again?

Losing about 30 minutes of life under Snow Leopard seems to be par for the course.
 
Hmm I have about the same after installing SL.
Getting 3.5hrs to 4hrs (if i really try hard 😛)
 
also if i ever start using flash (youtube, hulu) im lucky if it even lasts an hour.

btw i have 96 cycles in 4 months. its a refurbished computer but i originally got it with 3 cycles and 100% health.
 
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