The battery Lucas LS250 is a classic lead-acid battery known for its reliability and relatively long lifespan. The battery capacity is 100 Ah, and the starting current is 800 A. The pole layout 1 means that the positive pole (+) is located on the left side of the battery, looking from the terminal side. B1 mounting involves the use of a strip located at the bottom of the battery casing, along its longer sides. This enables solid fastening of the battery to the surface with clamps or mounting brackets, effectively preventing it from shifting.