MacBook senses battery but doesn't run off or charge to the battery

Question

MacBook Pro 13" Retina Display 2015 상반기

MacBook Pro 13" Retina Display, 모델 A1502의 2015년 3월 업데이트는 5세대 Intel Core i5 및 i7 프로세서를 포함하며 Force Touch 트랙 패드를 소개합니다.

1185 질문 전체 보기

gatortpk @gatortpk

평판: 241

6

9

2

게시일: 2018년 2월 6일

옵션

MacBook senses battery but doesn't run off or charge to the battery

I have an Early 2015 Retina MacBook Pro 13 inch. It had water damage. I have cleaned the logic board with an ultrasonic cleaner. Everything is working fine except the battery won't charge and the MacBook won't run off the battery. The MagSafe connector turns amber as expected if it were charging. The MacBook indicates a 91% charged battery and that it's charging but the 91% never changes and the it turns off immediately when the MagSafe connector is disconnected.

This MacBook Pro has the 820-4924A logic board. I have checked the current sensing resistors at R7151, R7152 and R7121, R7122 and they all check out at the proper resistance. (The 0 Ohm R7152 resistor measured as close to 0 ohms as I could test, the other three resistors were within 3%)

I don't see any visible corrosion anywhere.

What other locations should I be checking?

Edit: Thanks Dan for the CoconutBattery suggestion. Thanks Paul for your comment on the battery management logic board. The battery does have a small board that attached directly to the main logic board. I haven't cleaned that board since it's obviously attached to the battery and it's glued in. Here's the CoconutBattery screen shot:

The battery was working fine before the water damage. Is it posible that water damaged the battery itself, or more likely the battery's own logic board? Do you think the main 820-4924A logic board is likely fine?

답변되었습니다! 답변 보기 저도 같은 문제를 겪고 있습니다

좋은 질문 입니까?

예 아니요

점수 0

댓글 2개

Download this app: CoconutBattery and paste a snapshot of the main window so we can see what it's telling us.

기존 질문에 이미지 추가하기

Dan 의 2018년 2월 6일

Does the battery on this model have a battery management logic board? If so, it could be water damage to the battery and the laptop is receiving faulty readings from the management system on the battery.

Paul McDowell 의 2018년 2월 6일

댓글 달기

답변 1개

선택된 답변

Aiden @someaspy

평판: 17.4k

46

47

68

게시일: 2018년 2월 6일

옵션

you're supposed to replace the battery after water damage.

MacBook Pro 13" Retina Display Early 2015 배터리 교체

해당 답변은 도움이 되었습니까?

예 아니요

점수 0

댓글 3개:

Thanks for the answer. I was hoping to avoid taking out glued perfectly good Li-ion cells. It doesn't appear that anybody repairs the battery's own board. I was hoping it would be easier to replace components on the battery board than to mess with the adhesive.

gatortpk 의 2018년 2월 6일

Electronics Water Damage

"Reassemble your device with a new battery or one that you are confident is in good working order. If your device has been submerged it is likely that you will need a new battery. Lithium and other types of rechargeable batteries do not tolerate submersion well. Again, any sign of bubbling, bulging, melting, or discoloration on the battery indicates that it is toast. Dispose of it only at a battery recycling facility."

Aiden 의 2018년 2월 6일

Thanks Aiden. The battery does look perfect, it even seems that water may not have ever touched the cells themselves. It seems that the main issue is that when the battery's logic board get's wet with non-pure water, shorts happen that can damage the components and drain the cells too rapidly. Is that a fair statement?

I'm accepting your answer. Thanks again.

gatortpk 의 2018년 2월 6일

댓글 달기

Download this app: CoconutBattery and paste a snapshot of the main window so we can see what it's telling us.

기존 질문에 이미지 추가하기 — Dan
Does the battery on this model have a battery management logic board? If so, it could be water damage to the battery and the laptop is receiving faulty readings from the management system on the battery. — Paul McDowell
Thanks for the answer. I was hoping to avoid taking out glued perfectly good Li-ion cells. It doesn't appear that anybody repairs the battery's own board. I was hoping it would be easier to replace components on the battery board than to mess with the adhesive. — gatortpk
Electronics Water Damage

"Reassemble your device with a new battery or one that you are confident is in good working order. If your device has been submerged it is likely that you will need a new battery. Lithium and other types of rechargeable batteries do not tolerate submersion well. Again, any sign of bubbling, bulging, melting, or discoloration on the battery indicates that it is toast. Dispose of it only at a battery recycling facility." — Aiden
Thanks Aiden. The battery does look perfect, it even seems that water may not have ever touched the cells themselves. It seems that the main issue is that when the battery's logic board get's wet with non-pure water, shorts happen that can damage the components and drain the cells too rapidly. Is that a fair statement?

I'm accepting your answer. Thanks again. — gatortpk

MacBook Pro 13" Retina Display 2015 상반기

MacBook senses battery but doesn't run off or charge to the battery

답변 1개

귀하의 답변을 추가하세요