What Battery Do I Need For My Casio G Shock? (Maintenance Tips)

Casio, a Japanese wristwatch manufacturer, has been a famous brand name for a long time. Among various series, G Shock is the one that makes Casio unique from other brands, although some producers have tried to copy their particular designs. 

Many people, especially the youth, choose this model as it expresses their style and personality. However, not all of them rely on the maintenance center, leaving them asking “What battery do I need for my Casio G Shock?” when they need to change this crucial component. 

Don’t worry. This article provides a detailed answer and more valuable information regarding this product series. 

What Battery Do I Need For My Casio G Shock?

In general, a Casio G-Shock watch uses a lithium cell or a solar battery. The former can last about 2 years, while the latter can last a maximum of 15 years using solar panels on the surfaces to receive and convert sunlight, even with weak illumination. 

What Affects Battery Life?

A G-Shock battery, especially a lithium cell one, can be drained by some following factors.

Frequency of use

First, the more frequently you use the features of the watch, the shorter it lasts. Besides automatic features such as atomic timekeeping, tough movement, or sensor technology, these watches also has other helpful functions, including a stopwatch, an LED screen, backlight, GPS, or chronograph. Using them regularly means you consume more energy so that the batteries will degrade faster. 

For detailed descriptions about technologies used for a G Shock, check them out here

Environmental conditions 

Most watches are designed to run consistently in normal conditions (including temperature and humidity). Therefore, when the weather becomes much hotter or more humid, the batteries’ temperature will increase, exhaust more energy, and decrease its life. 

For valuable tips on extending your watches life, please refer to this article

When Would The Battery Need Changing?

That a regular watch stops running means that its battery is completely drained and needed changing. For a Casio G Shock, several signals can help tell you about the right time: 

  • Battery indicator: most these watches have this feature, so you can rely on it to know the current power level.

  • LCD: for models without power indicators but LCDs, you may think about changing the batteries if the displayed numbers are dimming. 
  • Backlight: you may easily recognize the backlight feature running no more appropriately. For example, it doesn’t illuminate when you turn it on but gradually appears when you turn it off. 

So, how much does it cost to replace a Casio watch batteries? On average, you may pay around $25 for a full-packaged service, including the price of the battery itself. 

However, in case you would to change g-shock battery manually, refer to these instructions

Solar G Shock: Solution For Watches Batteries Life

As mentioned, solar watches use surface panels to absorb and convert energy. Also, you don’t have to expose yourself to the sun because the panels work with even weak sunlight.

Solar batteries are environmentally friendly. It also lasts longer than a lithium cell one because of being chargeable, so that you will spend less on changing batteries when using this model. What’s more, the price for these devices is not high compared to the others, which may surprise you. 

On average, a solar batteries need did 10 years to change. However, if you use the watch efficiently, you may extend the time to 15 years. 


We hope this article provides you with sufficient information about a G Shock battery life and how to extend it, along with further maintenance tips. If you have more questions, don’t hesitate to let us know. Eventually, go for a Solar G-Shocks model if you want to get rid of all the worries.


Last Updated on October 12, 2021 by The o.d.m team