docs(batterystatus): improve docs
docs(batterystatus): improve docs

driftyco/ionic-native,ramonornela/ionic-native,klirix/ionic-native,driftyco/ionic-native,ramonornela/ionic-native,driftyco/ionic-native,xueron/ionic-native,klirix/ionic-native,xueron/ionic-native,xueron/ionic-native,ramonornela/ionic-native,klirix/ionic-native,xueron/ionic-native,ramonornela/ionic-native