code: async def get_power_parameters_for(
              cls, system_ids: typing.Sequence[str]):
          
          if len(system_ids) == 0:
              return {}
          data = await cls._handler.power_parameters(id=system_ids)
          return data
docs: Get a list of power parameters for specified systems.
          *WARNING*: This method is considered 'alpha' and may be modified
          in future.
  
          :param system_ids: The system IDs to get power parameters for