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2.3GHz, 2.6GHz, or 2.7GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.7GHz) with 6MB shared L3 cache.

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Battery is not recognized after replacement

I replaced the battery on my mac and it seems it does not recognize the new battery. It only works when the magsafe is pluged in. If i remove the magsafe it shutdowns immediately. The percentage of battery stuck on 62%, it says is not charging, and power source: power adapter.

Battery Information:

Model Information:

Serial Number: D86241131JYDNMGAH

Manufacturer: SMP

Device Name: bq20z451

Pack Lot Code: 0

PCB Lot Code: 0

Firmware Version: 511

Hardware Revision: 000a

Cell Revision: 1150

Charge Information:

Charge Remaining (mAh): 4974

Fully Charged: No

Charging: No

Full Charge Capacity (mAh): 8414

Health Information:

Cycle Count: 6

Condition: Replace Now

Battery Installed: Yes

Amperage (mA): 0

Voltage (mV): 11490

System Power Settings:

AC Power:

System Sleep Timer (Minutes): 0

Disk Sleep Timer (Minutes): 10

Display Sleep Timer (Minutes): 0

Wake on AC Change: No

Wake on Clamshell Open: Yes

Wake on LAN: Yes

AutoPowerOff Delay: 14400

AutoPowerOff Enabled: 1

Current Power Source: Yes

DarkWakeBackgroundTasks: 1

Display Sleep Uses Dim: Yes

GPUSwitch: 2

PrioritizeNetworkReachabilityOverSleep: 0

Standby Delay: 4200

Standby Enabled: 1

Battery Power:

System Sleep Timer (Minutes): 10

Disk Sleep Timer (Minutes): 10

Display Sleep Timer (Minutes): 2

Wake on AC Change: No

Wake on Clamshell Open: Yes

AutoPowerOff Delay: 14400

AutoPowerOff Enabled: 1

DarkWakeBackgroundTasks: 0

Display Sleep Uses Dim: Yes

GPUSwitch: 2

Reduce Brightness: Yes

Standby Delay: 4200

Standby Enabled: 1

Hardware Configuration:

UPS Installed: No

AC Charger Information:

Connected: Yes

ID: 0x0aa1

Wattage (W): 85

Family: 0x0085

Serial Number: 0x00425911

Charging: No

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smc and all those reset stuff did not worked

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2 Answers

Try an SMC reset?

If you have already done so. and, this is not an Apple battery it could be bad right out of the box (it's been known to happen). Talk with your vendor about this.

If this answer is acceptable please remember to return and mark it accepted.

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Macbook Pro Retina mid 2013. Had very same issue. New battery would not get recognized, computer would shut down after unpluging magsafe. What interesting is that if I would boot it with magsafe connected, and disconnect magsafe once apple logo appears, it would keep booting, and then right before OSx login, it would shut off.

After hours of trial and error , I booted mac with my old battery, logged in. Then, disconnected battery while mac still runs on the magsafe. Then connected new battery and this solved a problem. Battery recognized and showed me cycle count of 1.

Note, when I disconnected the old battery, while magsafe still connected, mac vent to sleep mode, but I proceeded with connection of the new battery while it was still plugged to the magsafe. Hope this helps.

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