Introduction
Use this guide to replace a worn-out battery.
Note: If there is a thin plastic film on your replacement battery, do not attempt to remove it. It is glued on and protects the battery pack while it is inside the MacBook.
What you need
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Tool used on this step:P5 Pentalobe Screwdriver Retina MacBook Pro and Air$5.99
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Remove the following ten screws:
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Two 8 mm 5-point Pentalobe screws
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Eight 2.5 mm 5-point Pentalobe screws
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Wedge your fingers between the display and the lower case and pull upward to pop the lower case off the Air.
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Use the flat end of a spudger to pry both short sides of the battery connector upward to disconnect it from its socket on the logic board.
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Bend the battery cable slightly away from the logic board so the connector will not accidentally contact its socket.
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Remove the following five screws securing the battery to the upper case:
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Two 5.2 mm T5 Torx screws
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One 6 mm T5 Torx screw
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Two 2.6 mm T5 Torx screws
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