In fact, the key is to turn around quickly after the battery catches fire, and keep clicking the mouse, and the direction of turning around should be conducive to staying away from the battery and not letting it hit, so as to hit it around once and not be knocked down by him.
Personally, I recommend using a French special boat, that is, a boat with 120 people, 32 guns and 6- 14 knots, which can be bought in France.
There is more practice. I couldn't do it at first. Now play ten fortresses with only three boats. After the fight, each ship still has 60%.