New Battery Dropping Rapidly

Question

MacBook Pro 15" Retina Display Mid 2014

2.2 GHz (Turbo Boost up to 3.4 GHz) or 2.5 GHz (Turbo Boost up to 3.7 GHz) quad-core Intel Core i7 processor with 6MB shared L3 cache.

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I have purchased and successfully installed a new mid-2014 battery, seemingly with no errors or broken parts.

several times I look up and it has dropped its charge approximately 50% in one instant, and then needs to recharge all the way back up.

to the best of my knowledge, I have calibrated! charged up >, drained over night> recharged

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mayer @mayer Rep: 685.3k MacHale Enterprises 3.4k 1.1k 2.6k · Answer 1 · 2020-01-20T17:22:16-07:00

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Rep: 685.3k

3.4k

1.1k

2.6k

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Let’s take a look at the battery with a better tools. Please download and run Coconut Battery and post your results.

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1 Comment:

thank you for the tip about this utility. screen cap below.