How to turn on Battery saver

Galaxy Book Battery technology helps to give the best battery life it can, with optimal use and efficient recharging. To extend your Galaxy Book Battery even further, then Battery saver will help.

View of Galaxy user with Galaxy Book and Galaxy device with Battery saver symbol.

Please note: This will deactivate Wi-Fi and Mobile data networks, but selected phone, messaging and notifications remain active via Bluetooth. The screen will also switch to a grey display and the Galaxy Book´s CPU will be lowered.

View of Windows icon.

Step 1. Open Windows menu.

View of Settings options.

Step 2. Open Settings.

View of Power and Battery settings.

Step 3. Select “Power & Battery”.

View of Battery saver option.

Step 4. Select Battery saver.

View of Battery saver option with turn on highlighted.

Step 5. Click to turn on (or off).

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*Operates as a price discount: Pre-order the Galaxy S26 Ultra larger storage variant (512GB) by 10.03.26 and pay the future price of the Galaxy S26 Ultra smaller storage variant (256GB). Pre-order the Galaxy S26+ larger storage variant (512GB) by 10.03.26 and pay the same price as the Galaxy S26+ smaller storage variant (256GB). Pre-order the Galaxy S26 larger storage variant (512GB) by 10.03.26 and pay the future price of the Galaxy S26 smaller storage variant (256GB).