In 1648, when Sir William Batten went over to Holland with a portion of his squadron, Ayscue's influence kept a large part of the fleet loyal to the Parliament, and in reward for this service he was appointed the following year admiral of the Irish Seas.
At the Restoration Sir William Batten became once more surveyor of the navy.
2006; Batten in Zeit.
To the end of the First Civil War, Batten continued to patrol the English seas, and his action in 1647 in bringing into Portsmouth a number of Swedish ships of war and merchantmen, which had refused the customary salute to the flag, was approved by parliament.
When part of the fleet revolted against the parliament, and joined the prince of Wales in Holland, May 1648, Batten went with them.