My MBP battery is at 51% at 25 cycles, AppleCare won't replace it, what to do?

[panzer06]

glad it worked out for you.

i had my 2.33's battery replaced after a year because i had 68 cycles with 34% health.

I just wish this wasn't an issue at all. I don't have time to remember to calibrate this thing for the few times I use it without a battery. At home, the office and clients I use AC power. Flights and old airport terminals are the only places I use the battery.

I hope someday someone comes up with a battery that just works when you need it for the full charge capability for the entire estimated life (2 or 3 years or whatever) and just up and dies. No questions just replace it. Oh and the replacement would be $20. Great problem solved. Would some engineer please get to work inventing this for me!

As it stands now, I will most likely have to buy a new one every 3 to 4 years (or sooner) because I never calibrate the thing. Its at 43 cycles 82% after 13 months.

Cheers,

 

[jdzialak]

What does the cycle count mean?

Here's what my 4 month old MBP says:

Charge Information:
Charge remaining (mAh): 5154
Fully charged: No
Charging: Yes
Full charge capacity (mAh): 5281
Health Information:
Cycle count: 35
Condition: Good
Battery Installed: Yes
Amperage (mA): 407
Voltage (mV): 12579

 

[creator2456]

What does the cycle count mean?

It just means the number of times that 100% charge has been used. This can be achieved by going from 100% charge to 0% at one time, or going from 100% - 90% then charging back to 100% 10 times, or any usage that equals 100% discharge plus 100% charge.

 

[lavrishevo]

Batteries need to be used. I am pretty happy with my stats after 25 months.

 

[aquajet]

As it stands now, I will most likely have to buy a new one every 3 to 4 years (or sooner) because I never calibrate the thing. Its at 43 cycles 82% after 13 months.

When we're talking about the lithium ion and lithium polymer batteries used in Apple laptops, battery calibration is more accurately described as battery meter calibration. In other words, calibrating the battery means that the time remaining estimate in your menubar will be as accurate as possible.

What does this mean? It means that you can continue to use your computer without ever calibrating the battery and it will have no effect on the actual health of your battery. Calibration is strictly for the meter and has no effect on the battery itself.

 

[panzer06]

When we're talking about the lithium ion and lithium polymer batteries used in Apple laptops, battery calibration is more accurately described as battery meter calibration. In other words, calibrating the battery means that the time remaining estimate in your menubar will be as accurate as possible.

What does this mean? It means that you can continue to use your computer without ever calibrating the battery and it will have no effect on the actual health of your battery. Calibration is strictly for the meter and has no effect on the battery itself.

So... I don't need to worry and all these issues posted here are not relevant to me. Good to know since I have never even pondered this issue over the last 7 years I've owned laptops.

Great, thanks.. I shall sleep well tonight.

Cheers,

 

[bmwpowere36m3]

I think my battery is doing well after 1yr of use, I also regularly calibrate it:

 

[creator2456]

I think my battery is doing well after 1yr of use, I also regularly calibrate it:

I got you beat.
Battery is about 1.5 years old and is battery #2. First one died ~6 months in.