> For the complete documentation index, see [llms.txt](https://docs.deltaquad.com/tac/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.deltaquad.com/tac/setup/ground-control-station-gcs/silvus-streamcaster-4240-ep/attaching-the-battery.md).

# Attaching the Battery

1. Take the Silvus StreamCaster 4240-EP and the Silvus battery out of the upper right compartment of the flight case.

<figure><img src="/files/vBUffMeGJv4oYMgYjRpz" alt=""><figcaption></figcaption></figure>

2. Connect the top of the battery to the bottom of the radio modem.&#x20;

<figure><img src="/files/VsfPPVhUcZw5wGSolo6c" alt=""><figcaption></figcaption></figure>

3. Align the battery in a 45-degree angle.&#x20;

<figure><img src="/files/SoLVVoLq7meTLWca6vOX" alt=""><figcaption></figcaption></figure>

4. Connect both units and turn to align them. The battery locking mechanism will make an audible **click** sound.

<figure><img src="/files/0zxeAVkn0nqb9eD1POTV" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
To detach the battery for storage or charging, pull up the battery release latch on the side of the radio modem and turn the battery until it is released.
{% endhint %}

<figure><img src="/files/4ibg0F7Kv0Nj88MOG87n" alt="" width="563"><figcaption></figcaption></figure>


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