With a depleted battery, the submarine can only be on the surface and will no longer be able to dive for the rest of the battle.If a submarine is detected, the battery charge is expended faster.Depending on the nation and Tier of the sub, the battery will allow for 5-11 minutes of being submerged per battle. Battery power is now limited in duration and cannot be normally recharged.Regarding the latest stage of submarine test, the following changes have been applied:

These and many other improvements have been made based on test results, but work is ongoing, and today we will share further plans and upcoming changes.

Added Anti Submarine Warfare (ASW) capabilities to a number of battleships and cruisers.

Oxygen meter replaced by battery charge.

During this time, a lot of feedback and statistics were collected, on the basis of which changes have been made to almost all the mechanics associated with the new ship type: Submarines have come a long way: Since the announcement in the summer of 2019, we've gone through three tests, a temporary 'Submarine battle' event on the main server, and again a test on a separate server in October 2020.

Submarines world of warships