Stinger SGP35 - 500A Split Charging Relay And Isolator

Specifications:

• Prevents primary battery discharge
• Maximum current transfer 
• Ideal for 2nd audio battery isolation from vehicle systems
• High current relays are the most reliable and efficient way to add secondary batteries to your system
• Compatible with all types of alternators and charging systems
• Water resistant black phenolic plastic
• 100,000 mechanical cycle life
• 500A constant 900A peak current