**Stinger's** high current relays are the most efficient and reliable way to add secondary batteries to your system. This new for 2011 item has the highest current handling capability to date. Simply connect these relays to operate when the ignition is turned on. The battery system will remain separate while the ignition is off, preventing system drain. Compatible with all types of alternators and charging systems The listing is for a new pair of Stinger SGP35 Battery Isolators1 Buy = 2 Isolators Features - Brand New Pair of *Stinger SGP35* Battery Isolators 500 amp High Current Relay/Isolator Prevents primary battery discharge Power on demand Extends battery life Universal 12v applications Water resistant black phenolic plastic 100,000 mechanical cycle life 500 amp contact rating Weight: 1.81 lbs Part Number: **SGP35** Item Condition: Brand New
