I've used my MBP on AC power virtually it's entire life. Now that the weather is getting nicer, I've been using it outside on the quads every now and then. The problem is, it consistently shuts down without warning at 51% battery life. I'm typing along, when all of a sudden BAM it's turned off. Not even like asleep or going through the normal shutdown process, but like what happens if you pull the plug on a desktop. As I understand it, Li-Ion batteries don't have memory issues...so what's the deal?
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MBP Shuts off at 51% battery power
- Thread starter LoneWolf121188
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First take a look at this: https://support.apple.com/macbookpro15/batteryexchange/
Try calibrating your battery:
http://docs.info.apple.com/article.html?artnum=86284
If that doesn't help, you may have a defective battery. Try using MiniBatteryLogger:
http://www.apple.com/downloads/macosx/system_disk_utilities/minibatterylogger.html
to view your battery's health. If the health is low (below 60 or 70%) call Apple, they will probably replace it if it is still under warranty.
Try calibrating your battery:
http://docs.info.apple.com/article.html?artnum=86284
If that doesn't help, you may have a defective battery. Try using MiniBatteryLogger:
http://www.apple.com/downloads/macosx/system_disk_utilities/minibatterylogger.html
to view your battery's health. If the health is low (below 60 or 70%) call Apple, they will probably replace it if it is still under warranty.
I do have an A1175, but my SN ends in YF3A.
The problem with the calibration article is that it doesn't actually go to sleep. It just shuts off.
I'll try the battery logger.
iStat reports my health at 72%. Here's my System Profiler report. I'll point out that a cycle count of 80 sounds pretty low for a laptop that I've had for almost a year...
The problem with the calibration article is that it doesn't actually go to sleep. It just shuts off.
I'll try the battery logger.
iStat reports my health at 72%. Here's my System Profiler report. I'll point out that a cycle count of 80 sounds pretty low for a laptop that I've had for almost a year...
Code:
Battery Information:
Model Information:
Serial Number: Sony-ASMB012-36a7-2745
Manufacturer: Sony
Device name: ASMB012
Pack Lot Code: 0003
PCB Lot Code: 0000
Firmware Version: 102a
Hardware Revision: 0500
Cell Revision: 0303
Charge Information:
Charge remaining (mAh): 3745
Fully charged: No
Charging: Yes
Full charge capacity (mAh): 4076
Health Information:
Cycle count: 80
Battery health: Fair
Battery Installed: Yes
Amperage (mA): 414
Voltage (mV): 12578