Gear S2 - Charge the Battery (SM-R720)

Last Update Date : Apr 23. 2019


Charge the battery before using it for the first time or when it sits unused for extended periods.

The screens and steps shown below may vary by wireless service provider and your mobile device.

Charging the Battery

Use manufacturer-approved batteries, chargers, accessories, and supplies.

1 Connect the USB cable to the USB power adaptor. Then, connect the other end of the USB cable to the wireless charger dock.
Gear S2: How do I charge the battery on my Samsung Gear S2?

Prevent the multi-purpose jack and the small end of the charger from coming into contact with conductive materials, such as liquids, dust, metal powders, and pencil leads.

2 Plug the USB power adaptor into an electric socket.
3 Place the Gear into the wireless charger dock.
Gear S2: How do I charge the battery on my Samsung Gear S2?
4 After fully charging your Gear, disconnect it from the wireless charger dock. Unplug the charger from the wireless charger dock, and then unplug the charger from the electric socket.

Checking the Charging Status

When you connect the Gear and the wireless charger dock, the wireless charger dock’s LED indicator flashes certain colors to indicate the battery level.


Charging Status

Red -> Green -> Yellow

Standby Mode




Fully charged


Connected to a low-power adaptor

When a wireless charger dock error occurs, the LED indicator flashes red. Disconnect the Gear from the wireless charger dock and reconnect them. If the error occurs again, contact a Samsung Service Center for service support. The LED indicator may work differently depending on the Gear.

Reducing the Battery Consumption


Your Gear provides various options that help you conserve battery power.


     • When you are not using the Gear, switch to sleep mode by covering the screen with your palm.

     • Activate power saving mode.

     • Close unnecessary apps.

     • Deactivate the Bluetooth feature when not in use.

     • Deactivate the Wi-Fi feature when not in use.

     • Decrease the screen brightness.

     • Deactivate the watch always on feature.

     • Deactivate the voice wake-up feature in S Voice.

     • Customize the notification settings in the Samsung Gear app on the connected mobile device.

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