1. Dart
2. dart:html
3. BatteryManager
4. chargingTime property

##### BatteryManager class

1. Properties
2. charging
3. chargingTime
4. dischargingTime
5. hashCode
6. level
7. on
8. runtimeType
9. Methods
10. addEventListener
11. dispatchEvent
12. noSuchMethod
13. removeEventListener
14. toString
15. Operators
16. operator ==

description

# chargingTime property Null safety

num? chargingTime

## Implementation

    num? get chargingTime native;