How to fix MacBook battery drain in sleep mode?
Have you ever had trouble with your MacBook, MacBook Pro or MacBook Air in sleep mode and the battery draining? You may think that this should not be the case. But it can be said that this is not a battery fault. First you need to look at the capacity of the battery. If so how can the battery drain so quickly? If you are wondering how to stop this… this article is for you.
unplug the USB devices
You can use it to power devices off your MacBook when it's in sleeping mode. A USB transceiver for a mouse or keyboard plugged into your MacBook drains the battery. The only way to stop this is to unplug the device. Check if any unnecessary processes are running. Because these are often triggered by login items. Applications that open automatically when you log in.
Check your Mac for unnecessary background processes You can determine the exact wake-up time by finding the amount of memory used by all the apps you have open on the MacBook (in Activity Monitor). That number can be divided by the read speed of your SSD (which can be measured using the Blackmagic Speed Test). Read speeds of modern Apple SSDs are in the 2700 MB/s ballpark.
Check battery health