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I have a Macbook Pro 7,1 that may or may not have been damaged from water the other day. I noticed that the battery indicator now has the 'Service Battery' showing. I'm wondering if it's possible to determine when the warning turned on because that will give me an idea as to whether this is a water damage issue or just because it's almost 6 years old.

CoconutBattery says my battery has 972 load cycles and is only operating on 37% capacity.

Update: while I still don't have an answer to this question, I bought a new (and expensive) MagSafe charger for this MacBook that did the trick. I was able to easily rip off the tip of the old charger (the bit that connects to the Macbook), so I think it was pretty frayed already. Perhaps that was the problem.

While the battery still says "Service", it does charge up normally now.

  • It's probably just from being old, but I'm not sure how to verify this. – JMY1000 Aug 12 '16 at 20:27

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