
Keep the laptop running while connected to the power supply for a couple of hours.Here’s how to recalibrate your MacBook’s battery: Recalibrating the battery basically means discharging it completely and then recharging it completely.īattery recalibration takes a day or so, so if possible, do it over a weekend when you don’t have to have your MacBook for work. The next thing to try is recalibrating the battery. If a transient issue in the SMC was causing the Service Battery warning, this should address it. SMC controls the computer fans, backlights, and indicator lights, as well as some aspects of the display, ports, and battery, so resetting it will force your MacBook to revert back to its default settings for all these things. Press Shift+Ctrl+Option+Power at the same time and hold.The process is straightforward, but any customizations to your power plans or hardware settings may also be reset. While very reliable, it can occasionally have issues that require a reset. The first thing to try is resetting your System Management Controller (SMC), which is a hardware chip that controls some hardware settings, including the power system. I’ll show you how you can attempt to resolve the issue yourself before replacing the battery outright. If you get the Service Battery warning, the cycles are above about 1,000 then your battery’s likely pretty close to worn out.īut if your cycles are relatively low, then there may be other issues at play, and you should use the methods I’m about to describe. How Do I Change Low Battery Warning on My MacBook? Modern Macs get at least 1,000 cycles before there’s a problem, though if you have a Macbook that’s older than 2010, then you may only have 500 cycles available before your battery’s worn out. Look at the Condition of your battery (indicated directly below Cycle Count), which should be Normal if your battery’s operating properly.Under Battery Information on the right-hand side, look for the Cycle Count under Health Information.


It’s time to start looking for a new battery.

Replace Now: The battery still works but has degraded significantly.Replace Soon: The battery is holding less of a charge than it did when it was new but is still working fine.Normal: Your battery is operating within normal parameters.
