Electric power supplies (other than generators); Electric power supplies for electronic apparatus; Electric power supply units; Electric power units; Electrical power supply apparatus (other than generators); High voltage power supplies; Power controllers (electric); Power modules; Power supply apparatus (rectifiers); Power supply devices (rectifiers); Power supply devices for battery chargers; Power supply units (rectifiers); Power supply units comprising rectifiers; Power units (transformers); Power units for supplying (other than generating) electrical current; Switch mode power supply apparatus (electric); Switched mode power supply apparatus (electric); Switching power supply apparatus; Uninterruptable power supply apparatus; Uninterruptable power supply instruments; Uninterruptible power supply apparatus (battery)