Product details for IB500

500 AMP Relay Isolator Each

Handles 500 Amps Continuous And Durable Weatherproof Construction A Must For Multi Battery Sytems Allows For Longer Battery Life And 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 To The Point Of Stranding You In The Middle Of The Lake, River Or Ocean. Unlike Dual Battery Isolators The IB500 Does Not Create Any Voltage Drop To The Secondary Battery.