New battery won't charge

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MacBook Pro 13インチ (4つのThunderbolt) 2020

2020年5月発売の13インチMacBook ProはクワッドコアIntel 第10世代Core i5/i7プロセッサ搭載でIntel Iris Plus グラフィックス搭載（モデル番号 A2251/EMC 3348、４つのThunderbolt 3ポート）

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Craig A @craiga40961

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投稿日: 2025年2月16日

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New battery won't charge

During the process of replacing my battery, the battery board cable broke. I replaced the cable with this one from Amazon: https://a.co/d/3S4QvuP However, now it won't charge. The machine boots up fine but the battery doesn't charge. I've doubled checked the power and data connections and they appear solid. I'm wondering if it's the cable or how I inserted it. The leads face up, right? I clamped the plastic locks on both end and it appears secure. Any suggestions?

Here is the screenshot from CoconutBattery showing the new ifixit battery

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DanJ @danj 評価: 502.5千 Self employed contract worker 35 347 977 · Answer 1 · 2025-02-16T11:13:40-07:00

DanJ @danj

評価: 502.5千

Self employed contract worker

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347

977

投稿日: 2025年2月16日

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I would start off installing this gem of an App CoconutBattery make sure you install the correct version for you version of macOS. That should validate if you’ve connected the cable correctly.

I’m not sure in your picture if you’ve set the cables latches. Reference Step 10 in this guide MacBook Pro 13インチ Four Thunderbolt Ports 2020 バッテリーの交換 in this step the ZIF latch is releasing the compression onto the ribbon cable. Also make sure the surfaces are clean and there is no damage or creases within the ribbon cable.

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Thanks for your answer! I updated my question with a screenshot showing the info on the ifixit battery.

Craig A さんによる2025年2月16日

@craiga40961 - Well it does appear the battery cable is damaged or one of the sockets is, or it’s likely the battery is just bad.

We can see the battery status bars are not working as SMC is not getting its data. The static data is being held so at one point it was working.

You may want to see if you can get a replacement battery to remove that possibility. I would also get another cable as well.

DanJ さんによる2025年2月16日

Thanks, I'll do that.

Craig A さんによる2025年2月17日

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MacBook Pro 13インチ (4つのThunderbolt) 2020

New battery won't charge

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