# Step by step on how to use the CBA battery tester

##### <span style="text-decoration: underline;">**Step 1**</span>

First you will have to go to the west mountain radio clik [here](https://www.westmountainradio.com/) to acces and then it should look like this

[![image.png](https://wiki.yetirobotics.org/uploads/images/gallery/2026-04/scaled-1680-/pqhimage.png)](https://wiki.yetirobotics.org/uploads/images/gallery/2026-04/pqhimage.png)

if it does not work or the page does not look like this then jut search west mountain radio in your web browser and clik the link that says West Mountain Radio: Home or something similar

##### <span style="text-decoration: underline;">**Step 2**</span>

Now you will hover your mouse over support and clik on dowloads

[![Captura de pantalla 2026-04-16 165913.png](https://wiki.yetirobotics.org/uploads/images/gallery/2026-04/scaled-1680-/captura-de-pantalla-2026-04-16-165913.png)](https://wiki.yetirobotics.org/uploads/images/gallery/2026-04/captura-de-pantalla-2026-04-16-165913.png)

##### <span style="text-decoration: underline;">**Step 3**</span>

Once you click on dowloads you will have to scroll dow till you see a title on a red box that says computerised battery analyzers

[![image.png](https://wiki.yetirobotics.org/uploads/images/gallery/2026-04/scaled-1680-/D1Oimage.png)](https://wiki.yetirobotics.org/uploads/images/gallery/2026-04/D1Oimage.png)

##### <span style="text-decoration: underline;">**Step 4**</span>

now you will have to find cba V wich it should be the firt one and click on software CBA HR, Version 3.5.8 (as of right now) once cliked you will be directed to this page

[![image.png](https://wiki.yetirobotics.org/uploads/images/gallery/2026-04/scaled-1680-/FJIimage.png)](https://wiki.yetirobotics.org/uploads/images/gallery/2026-04/FJIimage.png)

##### <span style="text-decoration: underline;">**Step 5**</span>

now you will clik on the thing that says click here to dowload Latest Version <span class="cba_latest_version">3.5.8</span> CBA Software for CBA II, CBA III, CBA IV, CBA V &amp; CBA HR

##### <span style="text-decoration: underline;"><span style="color: rgb(0, 0, 0); text-decoration: underline;">**Step 6**</span></span>

once you do the hole proces of dowloading you will open the app (called CBA sofware)and be on this page

[![image.png](https://wiki.yetirobotics.org/uploads/images/gallery/2026-04/scaled-1680-/1T1image.png)](https://wiki.yetirobotics.org/uploads/images/gallery/2026-04/1T1image.png)

check the next page on how to do a discharge test