500/700 Amp Power Relay/Battery Weatherproof Isolator

Handles 500 Amps Continuous and 700 Amp Surges
Durable Weatherproof Construction
For Multi-Battery Systems
Allows for Longer Battery Life & Control Over which Battery is Being Used
Great for Isolating Second Battery In Boats
Making it Dedicated Only to the Stereo System
Keeps Primary Starting Battery from being Drained
Does Not Create Any Voltage Drop to the Secondary Battery