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# WKInterfaceDeviceBatteryState

The battery’s charging state.

```
enum WKInterfaceDeviceBatteryState
```

## Topics

### Battery States

[`case charging`](/documentation/WatchKit/WKInterfaceDeviceBatteryState/charging)

The device is connected to a charger, but its battery charge is under 100%.

[`case full`](/documentation/WatchKit/WKInterfaceDeviceBatteryState/full)

The device is connected to a charger, and its battery is charged to 100%.

[`case unknown`](/documentation/WatchKit/WKInterfaceDeviceBatteryState/unknown)

An unknown battery-charging state.

[`case unplugged`](/documentation/WatchKit/WKInterfaceDeviceBatteryState/unplugged)

The device is not connected to a charger and is running on battery power.

### Initializers

[`init?(rawValue: Int)`](/documentation/WatchKit/WKInterfaceDeviceBatteryState/init(rawValue:))

## Relationships

### Conforms To

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Equatable`](/documentation/Swift/Equatable)

[`Hashable`](/documentation/Swift/Hashable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Sendable`](/documentation/Swift/Sendable)

---

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