The B4000+ US Power Supply is an external power supply designed for the Ferrofish B4000+. It accepts a wide-range input voltage from 100 to 240 V and provides an output of 12 V at 0.6 A. The power supply has a listed weight of 0.2 kg and dimensions of 5 × 15 × 8 cm. It is identified by manufacturer article number PSU-US-B4000 and is designated as a US version.