Battery switch for marine boat 600A 32V single circuit power kill switch 1、Function: This battery isolator switch is used for 32V DC systems to isolate and secure the electrical system, to achieve safe switching between batteries, loads, and charge sources. 2、Power Saving: The battery circuit shut off switch help eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely. 3、Material: Tinned copper studs offer high electrical conductivity and rust proof, wear resistant, ignition protection, and one piece binding post design will not loosen over time. 4、Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. 5、Wide Application: This black battery disconnect switch is appliacable for marine, Boat, RV, truck, modified car, with 1/2in terminal stud size, adaptable for M6 screw.