Complex sentence: There are several kinds of weapons that can be mounted on a starship in Ver.2.5, the most common are Beam Batteries which have a power level such as 1,2,3 (or higher).
Split into simpler sentences: There are several kinds of weapons that can be mounted on a starship in version 2. The most common are Beam Batteries which have a power level such as 1,2,3 (or higher).