Extend battery life with the Light performance profile on your Samsung Galaxy

Last Update date : Mar 17. 2026
Samsung Galaxy phone charging on a wireless charging stand with the battery level displayed on the screen.

If you want to make your Samsung Galaxy phone last longer between charges, the Light performance profile can help. This feature reduces processing power slightly to prioritize battery life and cooling efficiency, while still providing smooth performance for everyday tasks such as browsing, messaging or watching videos. You can enable this option in Device care to make your phone more energy efficient, and combine it with tools like Optimize now to keep your device running at its best.

Note: Information provided applies to mobile devices sold in Canada. Available screens and settings may vary by wireless service provider, software version and device model.

Light mode helps your Samsung Galaxy phone use less power during everyday tasks. When this feature is enabled, your phone slightly reduces its maximum processing speed to limit heat generation and improve battery efficiency. This can help your device stay cooler and last longer between charges while still providing smooth performance for activities like browsing, messaging and watching videos.

Samsung Galaxy phone screen showing the Settings app icon selected. Samsung Galaxy phone screen showing the Settings app icon selected.

Step 1. Tap Settings.

Device care option selected in the Settings menu on a Samsung Galaxy phone. Device care option selected in the Settings menu on a Samsung Galaxy phone.

Step 2. Tap Device care.

Performance profile option selected in Device care settings on a Samsung Galaxy phone. Performance profile option selected in Device care settings on a Samsung Galaxy phone.

Step 3. Tap Performance profile.

Light option selected in the Performance profile settings on a Samsung Galaxy phone. Light option selected in the Performance profile settings on a Samsung Galaxy phone.

Step 4. Tap Light to activate it.

Note: The Light performance profile does not affect game performance.

You can quickly improve your phone’s performance using the Optimize now feature in Device care. This tool automatically checks your device and closes background apps, clears memory, and helps keep your Galaxy phone running smoothly.

Samsung Galaxy phone screen showing the Settings app selected. Samsung Galaxy phone screen showing the Settings app selected.

Step 1. Tap Settings.

Device care option selected in the Settings menu on a Samsung Galaxy phone. Device care option selected in the Settings menu on a Samsung Galaxy phone.

Step 2. Tap Device care.

Optimize now button selected in Device care on a Samsung Galaxy phone. Optimize now button selected in Device care on a Samsung Galaxy phone.

Step 3. Tap Optimize now.

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