> For the complete documentation index, see [llms.txt](https://enless.gitbook.io/centre-aide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://enless.gitbook.io/centre-aide/guides-installation/documentation-en/sensors/editor-2/use/power-supply-and-battery.md).

# Power supply and battery

TX T\&H E-INK AMB: power supply and battery

The TX T\&H E-INK AMB offers two power supply modes:

* Mode **Battery** : Use the supplied battery for optimal battery life. To activate the sensor, simply remove the insulating tab.
* Mode **USB-C** : For continuous power, connect a USB-C cable (**5V** / **0.5A**).

{% hint style="warning" %}
In mode **USB-C**, the **battery** must absolutely be **removed**. This mode makes it possible to completely do away with maintenance operations related to battery replacement.
{% endhint %}

## Initial commissioning

{% columns %}
{% column %}

#### Battery

The TX T\&H E-INK AMB is powered on by removing the protective tab from the built-in battery.

<div data-with-frame="true"><figure><img src="https://1715332350-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3HoPKoOlgG9Qj4E6fu0w%2Fuploads%2FaBVQFsPHAGfciYjp1GgM%2FProduits_Installations_Alimentation.png?alt=media&amp;token=20a735d6-2620-4e1a-855e-a88db01d3496" alt=""><figcaption></figcaption></figure></div>
{% endcolumn %}

{% column %}

#### USB-C

Connect a USB-C cable. You can route the cable by breaking off the end of the tab on the rear tray.

<div data-with-frame="true"><figure><img src="https://1715332350-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3HoPKoOlgG9Qj4E6fu0w%2Fuploads%2FKNfnNoFMWpuQq6yIGfgd%2FProduits_Fonctions_Card_USBC.png?alt=media&amp;token=36e3e853-91eb-418c-af2d-c35e00c2c83d" alt=""><figcaption></figcaption></figure></div>

{% endcolumn %}
{% endcolumns %}

## Battery replacement

{% columns %}
{% column %}

<div data-with-frame="true"><figure><img src="https://1715332350-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3HoPKoOlgG9Qj4E6fu0w%2Fuploads%2FSakuzLohvPpsXCTDcu8A%2FProduits_Atouts_Card_Batterie.png?alt=media&amp;token=3086a68f-50d4-4305-a275-f8e7f8592edd" alt=""><figcaption></figcaption></figure></div>
{% endcolumn %}

{% column %}
To replace the battery of the TX T\&H E-INK AMB, you must first remove the sensor from its holder and clear access to the battery.

The TX T\&H E-INK AMB uses a 3.6 V C-type lithium battery.
{% endcolumn %}
{% endcolumns %}

If your sensor was still operating when you removed the battery, it may continue to operate thanks to the energy reserve stored in its supercap. You can force the supercap to discharge by [consulting this tutorial](https://www.youtube.com/watch?v=gRLy9dJJaSQ).

{% embed url="<https://www.youtube.com/watch?v=gRLy9dJJaSQ>" %}


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