富士電機
For electric propulsion, two Fuji Electric SG-3 traction motors (1,200 kW) and two Fuji Electric SM-3 traction motors (1,450 horsepower on water / 3,150 horsepower underwater), and 480 SCB-47W main storage batteries (120). Group x 4 groups) was installed. The SCB-47W main storage battery is a water-cooled agitated fiber-clad lead battery similar to SSK (excluding Natsushio), but its life is longer and its discharge capacity is lower than before.