- 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 
- 200A constant 500A peak current 
 
                        