Battery performance depends on things like the age of your battery, and power used by the apps you’re running. However, you can calibrate your battery so it gives better performance. It’s not difficult, but it can take time. Read on to find out how.
1. Select the ‘Apple’ Menu
Click the ‘Apple’ icon and select ‘Shut down’ from the drop-down list. A confirmation box will appear on your homepage.
2. ‘Shut Down’ MacBook
Click the ‘Shut Down’ button in the confirmation page that appears. MacBook will shut down.
3. Plug in the ‘Power Adapter’
Plug in your MacBook battery charger after you turn off your laptop. Let the battery charge to 100%. This will be indicated by a green LED in the power connector. Leave it pluffed in for a couple of hours after the battery is completely charged.
4. Discharge Battery
Unplug the power cable and discharge the battery by turning Wi-Fi and Bluetooth on. You can continue using your MacBook while it discharges, but make sure you don’t do any intensive tasks during the discharging phase.
5. Plug in ‘Power Cable’
After your MacBook is completely discharged and has turned off, plug in your power cable and let the battery charge up to 100%. After the battery is charged completely, macOS will automatically calibrate your battery. This power cycle is all you need to calibrate your battery.
You can set the energy saver settings in System Preferences to get better battery life from your MacBook. In most circumstances it’s a balance between power saving and performance. Make sure you balance it in accordance to your usage.
The battery will be calibrated after following the above steps.