Mac shuts down with 15% battery

It still has battery but it shuts down without notice
Here is the battery information
Battery Information:
Model Information:
Serial Number:          W00070GZY77ZC
Manufacturer:          SMP
Device Name:          bq20z451
Pack Lot Code:          0
PCB Lot Code:          0
Firmware Version:          3
Hardware Revision:          2
Cell Revision:          100
Charge Information:
Charge Remaining (mAh):          715
Fully Charged:          No
Charging:          Yes
Full Charge Capacity (mAh):          3344
Health Information:
Cycle Count:          536
Condition:          Service Battery
Battery Installed:          Yes
Amperage (mA):          2273
Voltage (mV):          11691
System Power Settings:
AC Power:
System Sleep Timer (Minutes):          10
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          10
Wake on AC Change:          No
Wake on Clamshell Open:          Yes
Wake on LAN:          Yes
Current Power Source:          Yes
Display Sleep Uses Dim:          Yes
PrioritizeNetworkReachabilityOverSleep:          0
Battery Power:
System Sleep Timer (Minutes):          10
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          10
Wake on AC Change:          No
Wake on Clamshell Open:          Yes
Display Sleep Uses Dim:          Yes
Reduce Brightness:          Yes
Hardware Configuration:
UPS Installed:          No
AC Charger Information:
Connected:          Yes
ID:          0x0100
Wattage (W):          85
Revision:          0x0000
Family:          0x0085
Serial Number:          0x001225b8
Charging:          Yes
Thanks!

Does it shut down with the power adapter attached? What color is the power adapter led?
Have you tried a SMC reset?
http://support.apple.com/kb/ht3964
Ciao.

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I have read so many articles across the internet with people experiencing this problem. This is the conclusion I came to.
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See if your phone is one that Apple has noted as requiring a replacement battery: https://www.apple.com/support/iphone5-battery/
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Did you already try to set up your phone as new device?
How to erase your iOS device and then set it up as a new device or restore it from backups
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iPhone - Contact Support - Apple Support
Since this is a user to user forum, Apple can't hear you, feel free to use this feedback link:
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I have a Black MacBook 2.16 core duo and have been dealing with this same issue for about 6 months.
At first, the MB (macbook) worked perfectly. battery would get to 5% or so, warn me then go to sleep, then write a safe sleep image, then shutdown. I would turn it back on and it would restore the image to where I left off.
After about 2 months this stopped working properly. When running solely off the battery, the MB would get to about 20% and just shutdown. ppbbbbllltt!
I've spent endless hours on the phone with people in the Phillipines and sitting at Genius Bars. I've gone through all the things mentioned in Apple's support thread: calibrated the battery, reset PRAM, reset SMC / PMU, updated the battery uupdater to 1.1 then 1.2 (I think that 1.3 is only for MB Pros)
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Is this a software issue (IE - OSX) ?
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If it's your third battery you need to have Apple look at the computer itself. As you know now switching batteries is not fixing it. I would guess it is in the power control circuit which is on the motherboard. You need to call and get it checked out.

I Phone 4 with I OS 4.2 shuts downs with 30% battery still remaining.

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I purchased the Phone in Oct'10, it was working great till last week. All of a sudden my phone automatically switches off with 30% battery still remaining. when I plug in the charger it starts from 30% percent battery and goes all the way till 100%. but when I start using it, it lasts till 30% and then kaput. no warnings, no signs just switches off and all attempts to switch it back on fail till the charger is plugged in and, then it will start still showing 30% battery and then charging all the way till 100%.
I wonder if this is a software or a hardware issue, I am worried as the Phone was purchased in Singapore where I used to live but have moved back to my home town New Delhi in India. I can't go back to Singapore to get it fixed and if I go to a service center here I don't know how much I might have to shell out.
I'm desperately looking for some help.
Thanks
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to be honest these are the solutions that may or may not work..
first thing I would try is rebooting the phone by holding the sleep/wake button and home button for 15 seconds until you see the white apple logo
if that doesn't work I would restore from backup and if that doesn't work I would restore as new if all that fails unfortunately you would need to take it back to the country you purchased it for replacement

Mac shuts down with 15% battery

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