Convert from Coulomb to Ampere hours
function to_Ah extends Modelica.SIunits.Icons.Conversion; input Modelica.SIunits.ElectricCharge Coulomb "Coulomb"; output Modelica.SIunits.Conversions.NonSIunits.ElectricCharge_Ah AmpereHour "Ampere hours"; end to_Ah;