readAttributeBatChargeLevel(completionHandler:)
Declaration
func readAttributeBatChargeLevel(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeBatChargeLevel() async throws -> NSNumberfunc readAttributeBatChargeLevel(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeBatChargeLevel() async throws -> NSNumber