The overhead conductor bar is electrified at 1,500 V DC, powered from the local electricity grid 6.6 kV AC supply, and a 10-minute charge allows the train to travel approximately . Technology developed in the "Smart Denchi-kun" programme was incorporated in the EV-E301 series two-car battery electric multiple unit that entered revenue service on the Karasuyama Line and Tohoku Main Line from March 2014.