# Class «battery»

{% hint style="info" %}
This article is automatically translated from Russian by Google Translator.
{% endhint %}

Provides access to information about the battery or power supply unit.

## readVoltage

Returns the current-voltage of the battery (or power supply) in volts.

#### Syntax

{% tabs %}
{% tab title="JavaScript" %}

```javascript
brick.battery().readVoltage();
```

{% endtab %}

{% tab title="Python" %}

```
brick.battery().readVoltage();
```

{% endtab %}
{% endtabs %}