500A High Current Starter Relay | 12V SPST Auto Start Unit for Trucks/Boats/RVs | Weatherproof Black Phenolic Plastic | Enhances Battery Life

Produktbeschreibung
Battery Life Protection - This 500A high current relay prevents primary battery discharge, enhancing your battery lifespan by up to 30% compared to standard relays. Ideal for dual battery systems in trucks and marine applications. Sturdy Construction - Weatherproof black phenolic plastic housing withstands extreme temperatures (-30~80℃) and harsh environments, making it appropriate for off-road vehicles and marine use. Universal 12V Compatibility - SPST auto unit works with most 12V systems including trucks, RVs, boats and heavy equipment. Sealed design prevents dampness and vibration (10-55Hz tested). High-Performance Switching - 500A connection rating handles substantial loads with 100,000 electrical operations lifespan. AgSnO₂ connections ensure consistent starts even in cold weather (-30℃ minimum). Certified Secure - Meets international security standards with 2000VAC dielectric strength between open connections and 1500VAC between connections/coil. Includes 1-year replacement assurance.