Got a tip for us?
Let us know
Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Is my battery defective?
- Thread starter aKeio
- Start date
- Sort by reaction score
Your MBP comes with a built-in battery, so it's 1000 cycles, not 300. From the FAQ:
It's normal for your health to fluctuate up and down over time. Having said that, it looks like you run on AC power most of the time, having so few cycles. If that's the case, you should cycle your battery more often. This should answer most, if not all, of your battery questions:
To answer the OPs question:
No, your battery is not defective at this point.
It is hard to guess why your battery health is already down to this relatively low level. Might be improper use (see GJJstudios reply), but could also just be bad luck. However it would need to drop below 80% to be considered defective.
Nevertheless you could take it to an Apple store and let them have a look at it... they might replace the battery for you (provided you're still covered under warranty), but at this point they don't have to.
No, your battery is not defective at this point.
It is hard to guess why your battery health is already down to this relatively low level. Might be improper use (see GJJstudios reply), but could also just be bad luck. However it would need to drop below 80% to be considered defective.
Nevertheless you could take it to an Apple store and let them have a look at it... they might replace the battery for you (provided you're still covered under warranty), but at this point they don't have to.
Thanks for the responses.
Yeah I primarily run on AC, as it is generally plugged in at work and what not.
I'll start using it off AC a little more and hopefully I can recalbirate the battery a little bit better.
If it needs to be <80% for it to be considered 'defective', then I'll just keep using it as is and see where I end up. I still have apple care (apple care cover battery the same way as defective battery according to the guide...) so I should be okay?
Yeah I primarily run on AC, as it is generally plugged in at work and what not.
I'll start using it off AC a little more and hopefully I can recalbirate the battery a little bit better.
If it needs to be <80% for it to be considered 'defective', then I'll just keep using it as is and see where I end up. I still have apple care (apple care cover battery the same way as defective battery according to the guide...) so I should be okay?
I too want to know if mine would be considered defective.
I have a Mid 09' 13" MBP (built in battery) and I have run 753 charges since then and my battery health is at 73%. I have been getting 'Service Battery' warning for the past few months.
I have a Mid 09' 13" MBP (built in battery) and I have run 753 charges since then and my battery health is at 73%. I have been getting 'Service Battery' warning for the past few months.
No. Apple just makes the OS say "service battery" for fun. It doesn't mean that you actually should have the battery serviced. In that case, they would say "DO NOT Service battery." This is part of the inside jokes that all Apple products come with. Once you own a few Apple products, you get to know and understand them!
just bring it in. I've had them replace a few batteries over the years that were out of spec and no problems.