Battery not working at 100% charge

Question

MacBook Air 13インチ Mid 2012

1.8 GHz デュアルコア Intel Core i5（Turbo Boost使用時最大2.8 GHz）3MB L3キャッシュ

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Bitflip @bitflip

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投稿日: 2022年1月2日

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Battery not working at 100% charge

I recently replaced my MBA’s battery. (Around a year ago with an iFixit battery). The OS says the battery is at 100%, but when the device is unplugged from power, it immediately shuts down. No battery indicator appears when I hold the power down for several seconds.

This is a new issue, it worked fine before. I have reset PRAM, SMC, unplugged battery and made sure that it is seated correctly. I have attached photos of System Info. Please let me know if there are other troubleshooting steps I can take, or if the battery is shot.

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Hunter @cacciatore98762 評価: 816 9 3 16 · Answer 1 · 2022-01-02T14:34:55-07:00

Hunter @cacciatore98762

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投稿日: 2022年1月2日

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Have you checked the driver/drivers for the iFixit battery that you used to replace your faulty one with? It is probably a software issue.

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Where would I find this driver?

Bitflip さんによる2022年1月2日

@bitflip @cacciatore98762 - No drivers here! Just like a flashlight you just slide in the new batteries.

But it would be helpful to to 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 iFixitでの質問に画像を追加する方法

Make sure you have the MagSafe plugged in and give it a few minutes before you take the snapshot.

Dan さんによる2022年1月2日

Well, considering that this replacement battery is an iFixit battery for your model of laptop, it is possible that you need to install, reinstall, upgrade, or repair the battery driver that is hopefully installed on your Macbook, so that the replacement battery can do what it is suppose to. After doing a little bit searching on the Internet,m I cannot find an exact driver for your laptop model that is a genuine driver for this battery. I would probably suggest that you search how to find the hopefully installed driver on your computer, and install, reinstall, upgrade, and or repair that particular driver either by using the Update software on your computer, or by copying and pasting the name of that driver into your Internet browser and go from there.

Hunter さんによる2022年1月2日

Thanks, @danj! I have added a screenshot of CoconutBattery.

@cacciatore98762 I agree with Dan. I don't believe it requires a driver because the battery should power the device whether an OS is installed or not, which this particular battery isn't.

Bitflip さんによる2022年1月2日

Okay cool! I thought it was a driver issue. I want to learn more about this CoconutBattery software that @danj is referring to.

Hunter さんによる2022年1月2日

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