MacBook Pro - My MBP's battery health

eliehass · eliehass #1 (**permalink**)

10-02-2008, 10:27 PM

According to iStat, my battery health is at 44%. My question is what does that mean really, and would that warrant an under warranty replacement? Thanks!

B&O · B&O #2 (**permalink**)

10-02-2008, 11:12 PM

I don't believe batteries are covered. It is in their nature to get worse and worse then die. If yours in a MBP 2.2GHz then I guess it is over 1 year old anyway.

eliehass · eliehass #3 (**permalink**)

10-03-2008, 12:51 AM

it is, but I have the applecare 3 year warranty.

eMac · eMac #4 (**permalink**)

10-03-2008, 12:55 AM

unless it is under 300 cycles then they might replace it for you, but the warranty does not cover batteries unless they are defective.

Icon · Icon #5 (**permalink**)

10-03-2008, 10:18 AM

I had Apple replace mine, the new one held a charge great, contact them.

eliehass · eliehass #6 (**permalink**)

10-03-2008, 12:29 PM

Just got off the phone with apple, new battery is coming in the mail free of charge. Yay!

rukind2 · rukind2 #7 (**permalink**)

10-07-2008, 12:45 AM

Same issue here. Here is what iStat reads for my 2.33 GHz Intel Core 2 Duo:

Health: 39%
Cycles: 381
Charge: 84%
0:47 remaining

My laptop is less than a year old. So, as I read it, even though the battery is 84% charged, it only has 47 minutes remaining.

Is this typical for this battery? I had the 1st generation MBP and the G4 before it and they did not have this problem. My usage pattern has not changed so the cycles shouldn't matter (right?).

Even when it's plugged in the remaining time drops. Time for a new battery or is something else going on here?

Icon · Icon #8 (**permalink**)

10-07-2008, 02:33 PM

Best to contact them as I never had a problem getting them replaced.

eMac #4 (permalink)
Member Since: Jan 26, 2008 Location: Canada Posts: 20 Mac Specs: Macbook Pro 15.4" C2D 2.4GHz 2GB Ram 160GB HD, iPod Touch 16GB, iPod Nano 8GB	10-03-2008, 12:55 AM unless it is under 300 cycles then they might replace it for you, but the warranty does not cover batteries unless they are defective. eMac .
	QUOTE Thanks

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MacBook Pro - My MBP's battery health

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eliehass #1 (permalink)
Member Since: Jul 03, 2007 Posts: 850 Mac Specs: iMac Core i5(3.6 GHz) 8 GB RAM, MBP C2Duo(2.4 GHz) 4 GB RAM, MB C2Duo(2.4 GHz) 2 GB RAM	10-02-2008, 10:27 PM According to iStat, my battery health is at 44%. My question is what does that mean really, and would that warrant an under warranty replacement? Thanks!
	QUOTE Thanks

B&O #2 (permalink)
Member Since: May 18, 2007 Location: Brit in Tokyo. Posts: 745 Mac Specs: MBP i7, Mac Mini & iPhone 3G.	10-02-2008, 11:12 PM I don't believe batteries are covered. It is in their nature to get worse and worse then die. If yours in a MBP 2.2GHz then I guess it is over 1 year old anyway.
	QUOTE Thanks

Icon #5 (permalink)
Member Since: Oct 02, 2008 Location: In the woods Posts: 62 Mac Specs: New Macbook soon!	10-03-2008, 10:18 AM I had Apple replace mine, the new one held a charge great, contact them.
	QUOTE Thanks

eliehass #6 (permalink)
Member Since: Jul 03, 2007 Posts: 850 Mac Specs: iMac Core i5(3.6 GHz) 8 GB RAM, MBP C2Duo(2.4 GHz) 4 GB RAM, MB C2Duo(2.4 GHz) 2 GB RAM	10-03-2008, 12:29 PM Just got off the phone with apple, new battery is coming in the mail free of charge. Yay!
	QUOTE Thanks

rukind2 #7 (permalink)
Member Since: Dec 18, 2003 Posts: 128 Mac Specs: 13" Air, 2 Ghz Intel Core i7, 500 SSD, 8G Ram	10-07-2008, 12:45 AM Same issue here. Here is what iStat reads for my 2.33 GHz Intel Core 2 Duo: Health: 39% Cycles: 381 Charge: 84% 0:47 remaining My laptop is less than a year old. So, as I read it, even though the battery is 84% charged, it only has 47 minutes remaining. Is this typical for this battery? I had the 1st generation MBP and the G4 before it and they did not have this problem. My usage pattern has not changed so the cycles shouldn't matter (right?). Even when it's plugged in the remaining time drops. Time for a new battery or is something else going on here?
	QUOTE Thanks

Icon #8 (permalink)
Member Since: Oct 02, 2008 Location: In the woods Posts: 62 Mac Specs: New Macbook soon!	10-07-2008, 02:33 PM Best to contact them as I never had a problem getting them replaced.
	QUOTE Thanks

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