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Jelmer Tiete on Twitter: "If you were wondering about the battery controller in a macbook air. It's the #bq20z451 and 4 14Wh Sanyo cells. http://t.co/V51QkjiGPf" / Twitter
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BatPower | A1819 Battery for Late 2016 Mid 2017 Apple MacBook Pro 13" Four Thunderbolt 3 Ports A1706 -11.41V/49.2Wh/4300mAh
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Amazon.com: A1321 Battery for Apple MacBook Pro 15" inch A1286 (Only for Mid 2009, Early/Late 2010), fits MC118LL/A MC373LL/A MB986LL/A Series Notebook : Electronics
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