Stinger SGP35 High Current 500 Amp Split Charging Relay Battery Isolator

Ideal for battery isolation, Stinger s 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, simply connect these relays to operate when the ignition is turned on. The battery systems remain separate while the ignition is off, preventing system drain. Water resistant black phenolic plastic, 100,000 mechanical cycle life. SGP35: 500 amp contact rating.

• 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