This Graupner electronic switch mode power supply is characterized by low weight and a particularly compact and slim design. The innovative design eliminates the need for large heavy transformers. The input voltage range of 100 - 240 V AC allows for use in Australia, European countries, US and Japan. The power supply is particularly well suited to supplying chargers. Furthermore, Graupner Polaron chargers can be placed and docked directly in combination with this power supply.