Model A1502 / 2.4, 2.6, or 2.8 GHz dual-core Intel processor / Released October 2013

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Odd power issues reset SMC

Guys please advice i have a mbp 13 retina late 2013 - Powers up only when bypassing SMC - otherwise it will power up but only for 17 seconds then it dies.

It allways thinks its charging even tho battery is not recognized in osx when booted..

What you think where can i measure plz help :)

Answered! View the answer I have this problem too

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What is the Mag-Safe light doing? Does it have a battery test button on the side?


Hi mayer,

The magsafe light starts green when pluggin in then after a few seconds turns orange..

I measure around 12.55v at the battery connector but that voltage sometimes stays on for couple minutes then drops to about 2.33v. and repeats.

There is no battery test button on the macbook pro retina


Install this little gem and paste a screenshot of what it show into your Q: coconutBattery


Hi Dan,

Let me ask you a question first.

I only have a 45watt mag2 charger while i have a rMBp 13 " will this be enuf to power my device? I mean normal conditions because now it wont boot normally only when using the smc bypass method.. And doing that i do not detect any battery. So im not sure if coconutbattery will help me there.



What does the MagSafe charger LED telling you Red or Green? If Red the battery is not charged, if Green the battery is charged. Having the wrong charger is not a good idea, all it means it will take 2/3rds more time to charge and it won't offer enough power to sustain the system if the battery is discharged. But you need to give us the screen shot!


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Ok you wont believe it but i bought a new charger and the 60 is powering up the system ! now i can use the coconutbattery

It says current charge 1422 mph max charge 6253 mph - 23%

Battery capacity 6253 mAh - Design cap 6330 mAh - 99%

Battery load cycles 63 - temp 29°c battery power - Usage 0.0 watt

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