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Once the battery is fully charged, continue to run your Mac from the AC adapter for two hours. You can use your Mac during this time as long as the power adapter is plugged in and the Mac runs on AC power and not the Mac's battery. After two hours, unplug the AC power adapter from your Mac. Don't turn your Mac off. The device transitions to battery power without any trouble. Continue to run the Mac from the battery until the on-screen low-battery warning dialog appears.
While you wait for the low battery warning, continue to use your Mac. When you see the on-screen low-battery warning, save any work in progress and continue to use your Mac until it automatically goes to sleep because of extremely low battery power. Don't perform any critical work after you see the low-battery warning. The Mac will go to sleep before long and with no other warning. Once your Mac goes to sleep, turn it off. After waiting a minimum of five hours longer is fine , connect the power adapter and fully charge your Mac.
The battery is now fully calibrated, and the internal battery processor will deliver accurate battery-time-remaining estimates. It doesn't hurt the battery if you forget to perform the calibration routine; it just means you're not getting the best possible performance from the battery. However, after the battery is calibrated, its remaining time indicator is more accurate. Over time, as the battery accumulates charges and discharges, its performance changes.
The appropriate time between calibrations depends on how often you use your Mac. The process doesn't hurt anything, so it's safe to calibrate the battery a few times a year. There are plenty of ways to reduce battery usage on your Mac. Some are obvious, such as dimming the brightness of the display. The brighter the display, the more energy it uses. You can use the display preference pane to adjust display brightness.
Other ways aren't quite as apparent, such as turning off the Mac's Wi-Fi capabilities when it isn't using a wireless network connection. Even when your Mac isn't actively connected to a wireless network , your Mac expends energy searching for available networks to use. Disconnect peripherals, including any attached memory cards. Even when you're not actively using a device, your Mac checks the various ports for any required service a device may need.
Your Mac also supplies power through many of its ports, so disconnecting USB-powered external drives , for example, can extend battery time. Low Power Mode works similarly to the identically named feature on the iPhone and conserves power by automatically slowing the processor and dimming the screen. Products Status. Oem Apple Laptop Macbook Battery products available. More products. Contact Supplier. CN Zongtek Co. Go to Page Go. About products and suppliers: oem apple laptop macbook battery are an ideal choice for electric car owners.
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