TRID30-7R and TRED30-7R model LogTags have replaceable batteries.
When you see that the battery showing Low on-screen or in the LogTag software, you should replace it immediately.
![CR2032 battery](https://www.logtag.com.au/wp-content/uploads/2017/09/battery_0.jpg)
Buy a replacement CR2032 battery
These are very common and can be found at most supermarkets, newsagents and hardware stores. There are many brands available.
![LogTag Download Menu](https://www.logtag.com.au/wp-content/uploads/2018/06/LogTag-Download-Menu.png)
Download data
When you remove the battery, any data on the LogTag will be lost so download the data before you begin.
![Hibernate](https://www.logtag.com.au/wp-content/uploads/2017/09/battery_1a.jpg)
Hibernate the LogTag
“Hibernating” the LogTag basically switches it off. Do this by inserting the LogTag in the Reader and choosing Hibernate from the LogTag menu.
![](https://www.logtag.com.au/wp-content/uploads/2017/09/battery_1.jpg)
Carefully remove the white sticker covering the battery door
The best thing to use is a small jeweller’s screwdriver. Try and keep this sticker intact so that you can reuse it.
.
![remove door](https://www.logtag.com.au/wp-content/uploads/2017/09/battery_2.jpg)
Open battery door
Use a coin, or even the replacement battery to turn the battery door cover anti-clockwise
![remove battery](https://www.logtag.com.au/wp-content/uploads/2017/09/battery_3.jpg)
Remove the old battery
Use the screwdriver to carefully pop the old battery out of its enclosure.
![](https://www.logtag.com.au/wp-content/uploads/2017/09/battery_5.jpg)
Insert the new battery
Inside the right hand side first against the battery contact, then press down firmly to seat the battery.
![](https://www.logtag.com.au/wp-content/uploads/2017/09/battery_7.jpg)
Replace the battery door
Turn the door clockwise to lock it.
![](https://www.logtag.com.au/wp-content/uploads/2017/09/battery_8.jpg)
Cover the door with the sticker
![](https://www.logtag.com.au/wp-content/uploads/2017/09/battery_9.jpg)
Dispose of the old battery
Please dispose of the battery in accordance with local regulations