How to replace the battery of my 3D glasses.

If the LED light begins to flash three times every three seconds or the glasses do not power on, it may be time to replace the CR2032 battery.

NOTE: The CR2032 is a 3 volt battery that is available at most watch battery kiosks and electronics retailers.

Follow the steps below to replace the battery on the TFG-BR100 glasses:

1. Using a coin or small flat head screw driver remove the battery cover.

   NOTE: Make sure that the coin or tool is properly inserted in the grove provided in order to avoid damaging the battery cover.

2. Remove the existing battery.
3. Insert the new battery with the positve side facing up or outward.
4. Replace the battery cover.
5. Using a coin or small flat head screw driver, lock the cover.

Follow the steps below to replace the battery on the TDG-BR50 glasses:

1. Using the tip of a pen, gently push the battery cover button.
2. Slide the battery cover to the left and the upward to open.
3. Remove the existing battery.
4. Insert the new battery with the positve side facing up or outward.
5. Push the battery cover down and slide it to the right to close.