Our test data shows that this message means your battery retains less than about 50% of the original capacity. Apple has not specified the criteria for this message. “ Replace Soon” means you need to arrange a battery replacement soon. The battery could last for a year or two if you connect your MacBook to the charger most of the time to reduce battery usage. You may choose to replace the battery, but it is not urgent. Usually, the battery can still last for two or three hours of normal usage. “ Service Battery” or “Service Recommended' means the battery has degraded to less than 80% of the original capacity. Your battery retains more than 80% of the original capacity. However, it would be best if you replaced it immediately to prevent any damage to the rest components of your MacBook. The battery has a low charge cycle count of 128, and the condition shows normal. The photo below shows a 15' MacBook Pro with a swollen battery in it. Sometimes when a battery is defective, it still shows the condition as “Normal'. You’ll find more specifics about your battery on the right-hand side of the windows. Click About This Mac, then System Report…Ĥ. Click the Apple logo in the top left corner of your MacBook to open a pull-down menuĢ. Your battery health will appear at the top: Normal, Replace Soon, Replace Now, Service Battery, Service Recommended or No Battery Available.Ĭheck more details of your MacBook, including the charge cycle count.ġ. If you can’t see the battery icon, you need to tick the notification box in System Preferences to enable the battery icon.Ģ. Click the battery icon in your status bar in the top right corner.

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