[Home](./index.md) > [@snowplow/react-native-tracker](./react-native-tracker.md) > [PlatformContextRetriever](./react-native-tracker.platformcontextretriever.md) > [getBatteryState](./react-native-tracker.platformcontextretriever.getbatterystate.md) ## PlatformContextRetriever.getBatteryState property Battery state for the device Signature: ```typescript getBatteryState?: () => Promise<'unplugged' | 'charging' | 'full' | undefined>; ```