---
title: GCDeviceBattery.State.unknown
framework: gamecontroller
role: symbol
role_heading: Case
path: gamecontroller/gcdevicebattery/state/unknown
---

# GCDeviceBattery.State.unknown

The state of the device’s battery is unknown.

## Declaration

```swift
case unknown
```

## See Also

### States

- [GCDeviceBattery.State.discharging](gamecontroller/gcdevicebattery/state/discharging.md)
- [GCDeviceBattery.State.charging](gamecontroller/gcdevicebattery/state/charging.md)
- [GCDeviceBattery.State.full](gamecontroller/gcdevicebattery/state/full.md)