Macbook Pro 2015 A1502 Battery A1582 activation and calib

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Macbook Pro 2015 A1502 Battery A1582 activation and calib

Postby The_SMB » Sun Aug 12, 2018 1:17 pm

Hi
I am new to this forum and newbie in batteries
I have my Macbook Pro 13 2015 A1502 battery shows replace now, however it has only 263 cycles. Also I have another battery that has 530 cycles but does not show replace now. I tried a stupid move where I swapped the controller boards between them (before I read) then I ended up with two batteries that are corrupted show replace now.
My aim is to re-calibrate both of them each one to its original controller board, as I believe the controller chip will register a failure flag once a cell has been removed.
I was reading through your forum, very nice work, well done! I believe that have the knowledge to achieve my aim I just need a bit of guide. Especially that both batteries are controller with Texas gas controller BQ20Z45.
A) I wonder if this method would be suitable for my batteries.
B) If the chip has a password would it be possible to bypass it?
C) during the flashing step I read that you need to replace cells with 145 ohm resistor, does that mean that I have to remove the controller card from the cells and put these resistors ?
D) would a normal USB to SMBus adaptor be suitable for this

Thank you very much for your support and help. Looking forward to hearing from you

Regards
Attachments
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Battery controller BQ20Z45
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The_SMB
 
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Re: Macbook Pro 2015 A1502 Battery A1582 activation and cali

Postby admin » Sun Aug 12, 2018 2:23 pm

If your batteries have factory default password then you can fix them with demo.
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Re: Macbook Pro 2015 A1502 Battery A1582 activation and cali

Postby The_SMB » Sun Aug 12, 2018 2:27 pm

Thank you very much
I am not sure TBH but I can give it a try then if it won't work will a full version solve the issue ?
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Re: Macbook Pro 2015 A1502 Battery A1582 activation and cali

Postby admin » Sun Aug 12, 2018 2:58 pm

Full version can fix BQ20Z45 with any password.
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Re: Macbook Pro 2015 A1502 Battery A1582 activation and cali

Postby The_SMB » Sun Aug 12, 2018 3:06 pm

Thanks a lot
As I can see it costs 200 USD
I'll try with DEMO and give it a think for the full version
Thanks
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Re: Macbook Pro 2015 A1502 Battery A1582 activation and cali

Postby The_SMB » Wed Sep 05, 2018 2:55 pm

So finally I got my CP2112 and I was able to read my BQ20Z45 Battery

DesignCapacity: 6559 mAh
FullChargeCapacity: 1010 mAh
CycleCount: 534
Date: 2015.05.12 yyyy.mm.dd
DesignVoltage: 11420 mV
ManufName: SMP
DeviceName: bq20z451
SerialNumber: 0001
ChargingCurrent: 0 mA
ChargingVoltage: 0 mV
DeviceChemistry: LION
Temperature: 127.4 C
Voltage: 8165 mV
Current: 0 mA
RelativeSOC: 0%
AbsoluteSOC: 0%
RemainingCapacity: 0 mAh
VCELL4: 0000 mV
VCELL3: 0000 mV
VCELL2: 4079 mV
VCELL1: 4087 mV
SpecificationInfo: 0031 Hex
Battery Status:
TCA|OTA|TDA|RCA|INIT|DSG|FD|

Unfortunately it is sealed,
Is there any way to initialise it with DEMO version? it only as I am using the same cells it just needs activation only.
If that is not possible do you offer paid limited time access to full version 200 USD is tool much for casual user
Thanks
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Re: Macbook Pro 2015 A1502 Battery A1582 activation and cali

Postby The_SMB » Mon Sep 10, 2018 10:04 pm

Bump
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