Well these are two different batteries! I would go with the correct battery not one that implies it works across all of the systems from 2013 all the way Mid 2015. Note the bottom edge in the middle is different! the center cells are a different size. 15" MacBook Pro Retina (Late 2013-Mid 2014) replacement battery. Model # - A1494. Watt Hours
No retina MacBook Pro has replaceable RAM. Last MacBooks with replaceable ram were the Pre retina unibody ones. Which isn't that bad considering how long RAM modules last this day. I would much rather prefer cheaper RAM prices so that you don't need to upgrade later on, over replaceable ram at the cost of a thicker design and less battery life. MacBook Pro (17-inch, Mid 2010), MacBook Pro (17-inch, Mid 2009) and MacBook Pro (17-inch, Early 2009) Number of memory slots. 2. Base memory. 4 GB. Maximum memory. 8 GB. Memory card specifications - Double Data Rate Small Outline Dual Inline Memory Module (DDR3) format - 30mm (1.18 inch) - 2 GB or 4 GB - 204-pin - PC3-8500 DDR3 1066 MHz typeKeyboard not working after battery replacement on Macbook pro 15 Mid 2015. Hi there. I recently replaced the battery on my macbook pro. The battery installation was fine but the keys on the keyboards do not work. The tracker pad works and the back light to the keyboards also works but not the keys. I have run the SMC and PRAM with no success.
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