How to change the battery in your Temp & Humidity Logger (CLH)
If you have a Temperature and Humidity Clever Logger (CLH-01), please see these instructions below on how to change the battery.
![Step 1 Icon](https://cleverlogger.com/wp-content/uploads/2023/03/step-1.png)
Remove the two screws from the back of the logger
Use a small Phillips head screwdriver to remove the two screws.
Put the screws in a safe place.
Once the two screws are removed, you can open the casing.
![Clever Logger Battery Change](https://cleverlogger.com/wp-content/uploads/2023/04/ILL_Clever-Logger-Battery-Change-CLH-1.jpg)
![Step 2 Icon](https://cleverlogger.com/wp-content/uploads/2023/03/step-2.png)
Remove the screw
Remove the screw securing the circuit board.
![Clever Logger Battery Change](https://cleverlogger.com/wp-content/uploads/2023/04/ILL_Clever-Logger-Battery-Change-CLH-2.jpg)
![Step 3 Icon](https://cleverlogger.com/wp-content/uploads/2023/03/step-3.png)
Remove the old battery
Carefully take out the old battery from the circuit board. Try not to touch any components.
![Clever Logger Battery Change](https://cleverlogger.com/wp-content/uploads/2023/04/ILL_Clever-Logger-Battery-Change-CLH-3.jpg)
![Step 4 Icon](https://cleverlogger.com/wp-content/uploads/2023/03/step-4.png)
Insert the new battery
Pop the new battery into the slot and dispose of the old one thoughtfully.
![Clever Logger Battery Change](https://cleverlogger.com/wp-content/uploads/2023/04/ILL_Clever-Logger-Battery-Change-CLH-4.jpg)
![Step 5 Icon](https://cleverlogger.com/wp-content/uploads/2023/03/step-5.png)
Replace the screw
Carefully place the screw in the circuit board.
![Clever Logger Battery Change Replace screws](https://cleverlogger.com/wp-content/uploads/2023/04/ILL_Clever-Logger-Battery-Change-CLH-6.jpg)
![Step 6 Icon](https://cleverlogger.com/wp-content/uploads/2023/03/step-6.png)
Close the casing
Replace the case back and screws.
![](https://cleverlogger.com/wp-content/uploads/2023/04/SCR_CLH6_Clever-Logger.png)