# powerCapacity

Set the battery percentage on the Android emulator. Value must be in the range \[0, 100].

> **Note:** Falls back to the deprecated Appium 2 protocol endpoint if the driver does not support the `mobile:` execute method.

## Usage[​](#usage "Direct link to Usage")

```
await browser.powerCapacity(percent)
```

## Parameters[​](#parameters "Direct link to Parameters")

| Name      | Type     | Details                               |
| --------- | -------- | ------------------------------------- |
| `percent` | `number` | The battery percentage to set (0–100) |

## Example[​](#example "Direct link to Example")

powerCapacity.js

```
it('should set battery to 75%', async () => {
    await browser.powerCapacity(75)
})
```

## Support[​](#support "Direct link to Support")

![Support for android](/assets/images/android-d941e94d5839760141de31c8446b67ce.svg)

**Supported platforms:** Android

note

Refer to the official [Appium driver documentation](https://appium.io/docs/en/latest/ecosystem/) to see which driver versions support this command.