Meet JMSDF JS Ōryū, The World’s First Lithium-Ion Battery Attack Submarine

This is Japan Maritime Self-Defense Force’s 11th Soryu-class diesel-electric attack submarine, the JS Ōryū, and it is the world’s first boat of its class to be powered by lithium-ion batteries. Yup. Li-ion. The same battery technology that is currently used in hundreds of thousands of phone across the world.