Apple Watch Battery

The Apple Watch runs on a rechargeable battery. In order to get the most use and enjoyment out of the device, it must be recharged every day.

Apple Watch Battery

Battery Run-Time

The Apple Watch causes the iPhone to use more battery, as the devices communicate via Bluetooth. The Apple Watch also makes the iPhone to connect to the Internet to download data. All these actions reduce the iPhone’s battery run-time. On the other hand, it’s very likely that the owner will use the Apple Watch instead of their iPhone for sending messages and checking his or her e-mail and notifications. In these instances, the watch might even some battery life, potentially giving the iPhone a longer battery run-time.

The battery in the Apple Watch can manage 18 hours of normal use, up to 6.5 hours of audio playback or workout, and 3 hours of talk time. It can last up to 48 hours while using only the watch face, or up to 72 hours while using the device in Power Reserve Mode. In short, the Apple Watch needs recharging every day, as the battery can only last for one day for most users.

The 42 mm Apple Watch has a larger battery than the 38 mm Apple Watch. As a result, it has a longer run-time.

Charging the Apple Watch

You can charge the watch any time it’s convenient for you. However, Apple suggests charging the Apple Watch at night. This suggestion makes sense if the owner wants to use the activity-tracking features consistently throughout the day.

To charge the watch, connect the charger to a power source, and then connect the MagSafe charging connector to the Apple Watch.

You can charge the watch by placing the charging connector on a surface and then laying the Apple Watch face-up on it. You can also lay the Apple Watch face-down on a soft and stable surface and lay the magnetic side of the charger on the back of the watch. Either way, the connector snaps automatically into place via magnets.

Now, the Apple Watch will begin charging. When it begins to charge, the device will emit a short sound. If you do not hear the sound, check that the charger is correctly connected and that the power source is delivering power to the device.

The Apple Watch uses fast charging to the 80% level from 0. This process takes about one and a half hours. Then the watch charges more slowly, and it takes another hour to charge to 100%. That’s around 2 and a half hours in total.

Note that while the Apple Watch is charging, any alarm, as well as any timer that finishes its countdown, plays its sound even if the owner has turned on the Do Not Disturb Mode.

Charging Strategies

By understanding what consumes the most power, the owner can develop smart charging strategies to ensure that he or she has power when they need it.

You can charge the Apple Watch whenever you are not wearing it. Even 15 or 20 minutes of charging boosts the run-time considerably.

Beware of third-party chargers that claim to deliver a charge faster than the Apple-provided charger. In fact, a badly designed charger might not only damage the Apple Watch, but it could also be an electrical hazard or void the warranty of your Apple Watch.

Using Power Reserve Mode

The Apple Watch includes a Power Reserve Mode for conserving power when the battery is running low. This mode turns on automatically when the battery level goes below 10 percent. Power Reserve Mode turns off all features except timekeeping, but this function is fulfilled through a stripped-down digital display.

You can enable Power Reserve Mode manually at any point (for example, when you know that you will not be able to charge the watch for a long period of time).

Enabling the Power Reserve Mode Manually

  • Press and hold the side button.
  • When you see  the Power screen, tap Power Reserve and slide it to the right. The screen will go blank.
  • Click the side button. The time appears on the screen as a digital readout.
  • To turn off Power Reserve Mode, press and hold the side button, and the Apple Watch will restart.
  • Tap the watch face and type your passcode on the Enter Passcode screen to unlock the Apple watch. Now you can resume using yourApple Watch as normal.

To learn more: Read How to Extend Battery Run-time.


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