Samsung Galaxy Watch 4: How to increase battery life


The Samsung Galaxy Watch 4 is a popular smartwatch. However, the poor battery life is one of the few negative points. So you can increase them considerably.

With just a few simple steps, the battery life of the Samsung Galaxy Watch 4 can be significantly increased. (Source: Samsung)

  • The best way to conserve Watch 4 battery life in the long run is to enable battery saver mode.
  • Alternatively, you can disable automatic screen brightness, enable airplane mode, or reduce idle time.
  • Clock only mode disables all functions except the clock. You get up to 20 days of battery life.

Battery life is the biggest weakness of many modern smartwatches. Not only Samsung’s Galaxy Watch 4 suffers from this problem. But there are several ways to increase it. We tested them and came to the conclusion that you can increase battery life to around 55 hours with all of these tips.

This is a real improvement over the approximately 40 hours normally worked. Of course, your end result will be a little different, there can be big deviations in this respect – for example due to the age of the battery cell or the network reception with the LTE variant.

Battery saver: the practical way to save battery

If you don’t want to bother with settings and just want a convenient way to improve the battery life of your Galaxy Watch 4, the best thing to do is to use the battery saver mode which is pre-installed on the watch.

Samsung states that with battery saver mode, about five hours of battery life can be gained. For this, functions such as Always On Display, WLAN, wake-up gesture and location services are disabled and processor speed and background synchronization are limited.

Disable unused features: Wi-Fi, LTE, GPS and gestures

If you don’t want to enable battery saving mode right away, you can also disable unused or unnecessary features. This includes connection functions such as WLAN, LTE with LTE version or GPS.

You can also disable gestures such as “raise hand to activate” or “answer calls”. This saves battery, since the watch does not have to constantly check whether or not you have performed the corresponding gesture.

Dim the brightness, set silent periods and shorten the timeout period

Another quick and effective way to save Galaxy Watch 4 battery is to manually lower the screen brightness. Experience has shown that the automatic brightness control manages the battery charge quite generously and increases the brightness to the maximum, even when it is not necessary.

In addition to screen brightness, you can also set the time after which the screen automatically turns off – the shorter the better. You can also use “Do Not Disturb Mode” to turn off always-on display at night and turn off notifications to save power.

Disable health metrics and use watch mode only

A big power hog on the Galaxy Watch 4 is the heart rate and blood oxygen sensor on the back. If it measures heart rate constantly, it causes high battery consumption. Therefore, set the measurement frequency to “manual only” to save battery power.

If all this is not enough for you, you can also activate extreme saving mode or watch only mode. In this mode, only the current time is displayed in black and white, without the date. All (really all) other functions are disabled. Your watch can last 18-20 days without recharging.

Update apps, system and reset clock

If you’ve tried all the tips but your battery life is still low, you might have a software problem. To fix this problem, you need to look in the battery settings to see which app may be using an abnormal amount of battery. Uninstall this application, then if necessary.

You should also check (as with all technical devices) whether your software and all apps are up to date. If not, update them. In many cases, resetting the clock to factory settings can also help. You can find the corresponding option in the watch settings.

In another guide, we will show you how to transfer music to Galaxy Watch 4.

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