Battery issue

Gstar1981

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My battery has only done 435 cycles but a battery warning has come up, the battery drains really quickly all of a sudden? No new programs have been installed and was working fine before one day last week I noticed the battery dropped to 75% in half an hour!!! The battery is just over 2 years old and the cable and adaptor were apple replacements of the originals! Im at a loss as to what be causing it, system is up to date and all apps have been updated, any help would be great, thanks in advance
 

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pigoo3

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Your Mac's Specs
2011 17" MBP 2.2ghz, 16gig ram, OS 10.11.6
...I noticed the battery dropped to 75% in half an hour!!!
Another way of saying this is the battery used 25% of the battery runtime in half an hour.:)

25% in half an hour is not that terrible...if doing something strenuous on the computer. If the battery is only 2 years old (replaced by Apple)...I would open "Activity Monitor"...and see if there are any apps running that are consuming a lot of computing resources.

Nick
 
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Your Mac's Specs
2019 iMac 27"; 2020 M1 MacBook Air; macOS up-to-date... always.
So... you have a 2015 Mac, but the battery is only two years old. Your battery is obviously not original then, and It appears to be a 3rd party replacement, SMP being the brand? Where exactly did you get this battery? Can you provide a specific store page? I can't find any good information about this manufacturer and device name listed in your screen caps. That device name, SMP bq20z451, is all over the place covering batteries made for many models of Macs, which doesn't make much sense to me.

If you can post a screen cap using Coconut Battery, that may be more useful.
 
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That device name, SMP bq20z451, is all over the place covering many models of Macs, which doesn't make much sense to me.

It sure seems that way to me as well, but I did come across this in a Google search:
What is SMP battery?
The multi-billion Simplo Tech Group (SMP), headquartered in Taiwan, debuted at the Friedrichshafen show. This battery maker, which is the main supplier for Apple computers, notebooks, tablets and i-phones, presented itself through one of its subsidiaries; Trend Energy Technology Co. Ltd.Jun 29, 2020
And this:
SMP bq20z451

It seems those particular type of batteries have been around for quite a while, and seemed to have been supplied to Apple by the multi-billion Simplo Tech Group, which is now apparently big into the e-bike battery Supply Market.



- Patrick
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Various Mac's
MacBook 12" batteries to tend to have a higher failure rate than in other Macs. I saw one the other day in a 2016 model that had only done 160 FCC. When the OP previously had the battery replaced, was it by an ARS or AASP? The battery is part of the bottom case, bonded to it. If a genuine Apple part had been used the bottom of your MacBook would have had no serial number on the base. If the serial number is present the battery would be a third party non Apple type. If a genuine Apple battery you have unfortunately been unlucky.
 

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