Japan's Got a Stealthy New Submarine (With Some Very Interesting 'Batteries') | The National Interest
Home-developed lithium-ion batteries ready for new 3,000-ton subs
U212 NFS' Lithium battery system completes System Design Review - Naval News
China's submarine fleet may soon be powered by lithium batteries | South China Morning Post
The Marvels and Problems Associated with Nuclear Submarines
Submarines to receive new batteries - defenceWeb
Exide Technologies - Naval Technology
C.F. 'O' Class Submarines - Electrical Systems
Why are diesel-electric submarines quieter than nuclear submarines? Are they quieter in both diesel and electric mode, or just electric? - Naval Post- Naval News and Information
Introducing Japan's Lithium Ion Battery-Powered Submarine
battery - Why do modern diesel electric submarines predominantly use lead acid batteries? - Engineering Stack Exchange
Why There are Lead-Acid Batteries on Submarines - News about Energy Storage, Batteries, Climate Change and the Environment
Underwater
How a WW2 Submarine Works (Diesel-Electric Submarine / Balao-Class Submarine) US Navy Training Film - YouTube