Chosen Solution
I just replaced the battery in my laptop 3 weeks ago, following all instructions for installation and calibration to the letter. Today, when I looked at the battery bar, it’s saying “Condition: Replace now”. I literally just replaced it, what’s going on? Update (07/30/2018) I purchased a battery from iFixit that was specified for my laptop: a MacBook Pro 13" Unibody (Mid 2009 to Mid 2012) Replacement Battery / Part Only
Who’s battery did you use? Lets double check things, download this gem of an app CoconutBattery. Paste the snapshots here so we can see. Do one with the charger connected and one not. Update (07/30/2018) Let’s try resetting the SMC to make sure there’s nothing still in it that’s messing you up How to reset the System Management Controller (SMC) on your Mac Did that change the message?
