The Amun is a power supply unit (PSU) for 1U class nanosatellites integrated in PC104 form factor. In just 0.2 U format, it provides the whole power supply chain starting with MPPT solar input system, through battery management system and up to regulated DC/DC converters branched into 6 controllable regulated channels and one battery voltage output channel.

The module consists of two printed circuit boards -The Solar Input System add-on board and the main board containing housing regulation, output control and protection, and communication interfaces.