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2.4GHz, 2.7GHz, or 2.8GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.8GHz) with 6MB shared L3 cache. Released February 2013.

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New ifixit MacBook Pro Battery seems defective. Service required?

Hi All,

I bought a replacement battery for my 15” MacBook Pro Retina (Early 2013) last month. (Manufacturing date March 11, 2021)

I use iStat to monitor my system processes.

After only 16 cycles, it now says “Service Required” and only 76% Health. The battery only lasts an hour to an hour and a half with normal usage.

I’ve reset the SMC and the NVRAM already multiple times. I fully charged it, fully drained it multiple times.

Could I have gotten a defective battery? The current Capacity is reporting at 6552 mAh.


*Edit* Added Coconut Report

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**Edit* Fully charged battery now. Temp is 20 degrees lower, but life is still too short.

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Let’s get a better view of things, install this gem of an app! CoconutBattery take a snapshot of the apps main window and post it here for us to see Voeg afbeeldingen toe aan een bestaande vraag


@danj Thanks. Added the Coconut report


The batteries temp seems high! What are you running when you took this and lets try placing the system under charge. Let it sit a good half hour to lower its temp and then take a fresh snap about 15 mins in so we can see how it's doing then.


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I was only streaming some video when I took the snapshot. Fan's didn't come on, and the CPU temp is right around 140 F. ( I was trying to fully drain the battery before a full recharge. The Second shot is a fully charged battery and the only app running is Safari and Plex.

As a follow up, I submitted a ticket to iFixit today, and they're sending a replacement battery. Great customer service, just not looking forward to removing fresh adhesive .. ugh.

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Andrew Harbison zal eeuwig dankbaar zijn.

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