1. PowerOff Protection: Oneclick operation can quickly connect and disconnect the battery, providing an additional barrier to avoid problems such as battery leakage or overdischarge, protecting the power supply, and ly disconnecting the battery, providing you with longer use time and better battery performance 2. Reliable and : Battery blade switch is made of highquality brass, which has good high temperature resistance, corrosion resistance, dustproof and waterproof properties, and can work stably for a long time in harsh environments, has good electrical conductivity and mechanical properties to ensure longterm reliable operation 3. Product Specifications: Battery Isolator Switch for use with top post terminals, 15.5 mm 17 mm battery negative pole, DC 12V 24V systems, 250 amps continuous and 750 amps instantaneous at DC 12V 4. Compatible Models: Battery switch can be suitable for most vehicles, such as cars, yachts, trucks, RVs, vans and other electrical equipment, providing you with more convenience, product includes 4 x toppost negative vertical battery cutoff switches