I don't have a charger so I need to no which is the positive and negat
I need to know which is the positive and negative on battery and charger port Cause I don't have a charger for it
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Sounds to me like you’re planning on rigging something up to destroy your MacBook (which runs on direct current).
Pin 1GND (0 V)
Pin 2V+ (14.5 / 16.5 / 18.5 / 20 V DC)
Pin 3Charge control pin
Pin 4V+ (14.5 / 16.5 / 18.5 / 20 V DC)
Pin 5GND (0 V)
Get a real Apple MagSafe charger!
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