Allows you to add a second 18Ah battery for a dual battery setup necessary to power auxiliary electrical components such as sound systems or winches. Equipped with an IP67-rated waterproof electronic module that will prevent your auxiliary electrical components from draining your starting battery. Kit includes an additional battery junction block, all necessary wiring and the battery holder. Both batteries are perfectly integrated, in stock location, behind the passenger seat. Additional battery (410301203), plus battery hardware (250000282) sold separately. More Information Fits on Maverick X3, Maverick X3 MAX Line SSV