1.8GHz dual-core Intel Core i5 (Turbo Boost up to 2.8GHz) with 3MB shared L3 cache

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Can I change the battery cell from new A1377 to original A1405?

My Macbook Air 13" with battery A1405 is very low capacity (<1000 mAh) and I have bought a new battery A1377 but it reduce the performance.

I wonder if I can change the battery cell from A1377 to A1405? Is it possible, safe etc? Is it increase the performance of my Macbook Air like an original new battery A1405.

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Unfortunately you can only change the battery for a macbook air with a "like for like" ... meaning only a battery with the same part number will fit ... the A1405 is made for the newer Macbook air and will simply not line up with your macbook air :(

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So the factor that affect the performance is the power of battery cells rather than battery's board, right ?

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it is more the power draw of the laptop itself and the components inside that determine this .... newer laptops user newer CPUs and other components that draw less power than their predecessors thus increasing battery life. i guess it can be debatable wether the battery's board can extend battery time...

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