Stinger - 500-Amp Battery Relay and Isolator - Blue/Black

Isolate your secondary audio battery from your vehicle's electrical system with this 500-Amp Battery Relay and Isolator by Stinger. High-current relays provide efficient, reliable electrical isolation and maximum current transfer to help prevent primary battery discharge. The SGP35 features a water-resistant design making it ideal for marine, powersports, and off-road applications. This Stinger 500-amp relay and isolator offers a mechanical cycle life of up to 100,000 uses for reliable long-term performance.