A hearing instrument charger device for charging an individually shaped hearing instrument, includes: a charger casing; a charger power supply within the charger casing; a first charger coil connected to the charger power supply; charger electronics for controlling charging of the hearing instrument; and a holder configured for receiving the hearing instrument, the holder located within the charger casing; wherein the holder for the hearing instrument has a shape that is specific for the individually shaped hearing instrument, such that when the individually shaped hearing instrument is received in the holder, a second charger coil of the individually shaped hearing instrument is in an operative position for receiving charging power from the first charger coil of the hearing instrument charger device.