Casio G-Shock G8900A-1CR Battery Replacement.

Introduction

This guide provides the process of replacing the battery for a Casio G-Shock G8900A-1CR watch.

Although this G-Shock model incorporates a solar cell to extend battery life, there comes a point when the battery reaches its expected lifespan of around 10 years. This can cause issues such as the LED malfunctioning or the watch ceasing to function altogether. At this point, replacing the battery becomes essential to safeguard the watch from potential damage.

What you need

Step 1 Battery

Casio G-Shock G8900A-1CR Battery Replacement., Battery: step 1, image 1 of 3

Casio G-Shock G8900A-1CR Battery Replacement., Battery: step 1, image 2 of 3

Casio G-Shock G8900A-1CR Battery Replacement., Battery: step 1, image 3 of 3

Use a Phillips #00 screwdriver to unscrew the four 2.0mm screws on the back cover of the watch.

Edit

Step 2

Tool used on this step:

Tweezers

$4.99

Buy

Remove the back cover.
Use tweezers to remove the rubber gasket.

Edit

Step 3

Use tweezers to remove the rubber cover.

Edit

Step 4

Use tweezers to press in the gap in the opening of the battery protection.
The battery protection should pop open.
Do not apply too much force.
Raise the battery protection.

Edit

Step 5

Use tweezers to remove the old CR2016 3V battery.
Avoid using your fingers for the process to prevent static discharge and potential damage.

Edit

Step 6

Insert the new CR2016 3V battery into the compartment.
Align the new battery's positive and negative sides with the orientation of the previous one.
Close the battery protection by gently pressing on it.
Press until it audibly clicks into place.

Edit

Step 7

Put the rubber gasket and cover back in their original position, and tighten the four 2.0mm screws using a Phillips #00 screwdriver.

Edit

Step 8

Press the [ADJUST] button until the seconds starts blinking.
Press the [MODE] button to go through the settings until you get to the hour, minute, and seconds adjustment.
Press the [FORWARD] button to scroll forwards, for example, from 9 to 10 o'clock.
Press the [REVERSE] button to scroll backwards, for example, from 10 to 9 o'clock.
For more features and settings, consult the user manual.

Edit

Conclusion

When you need to dispose of your CR2016 3V battery, please take them to a battery recycling center, use a battery drop-off location, or arrange a battery pick-up through your local government's website.