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Battery Indicator Board Replacement A1278 for macBook Pro 13" 2009 2010 2011 2012 Displays Battery's Charge Status - AliExpress
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Tested Original For Macbook Pro 13" 15" A1278 A1286 Battery Indicator Sleep Board Flex Cable 821-0828-A 821-0854-A 2009-2012
MacBook not turning on, one battery indicator LED lit in middle - MacBook Pro 13" Unibody Mid 2012 - iFixit
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