Stinger SGP35 500A Battery Relay & Isolator

The Stinger SGP35 High Current Battery Relay & Isolator is engineered for maximum power delivery in demanding automotive, marine, and powersports applications. Constructed from durable black phenolic plastic, this relay offers a 500A continuous current rating and can handle up to 900A surges, making it ideal for high-performance car audio systems and secondary battery setups. Its water-resistant design ensures reliable operation in harsh environments, protecting against moisture damage in marine, off-road, or racing conditions.

With a 100,000 mechanical cycle life and universal 12V compatibility, the SGP35 efficiently isolates secondary batteries to prevent primary battery drain. Simply connect it to your vehicle’s ignition system for automatic operation, ensuring your accessories—like amplifiers, lights, or winches—receive consistent power without compromising your main battery. Trust Stinger’s proven reliability for unmatched performance in extreme conditions.