The 200 AMP Isolator is the perfect solution when adding a secondary battery to your vehicle. It allows the second battery to be fully dedicated to auxiliary systems and does not create a voltage drop like common isolators tend to do. The isolator will draw less than 1 amp when your vehicle is powered on, ensuring efficient battery isolation. Mobile Audio Relay and Battery Isolator Ideal for isolating a second battery, making it dedicated to the stereo system 200 Amps continuous power handling 300 Amps surge power handling Switching power: 10-16 V Draws less than 1 amp when on Item: 200A Relay Voltage: DC 24V Color: Silver Material: Metal Package Contents: 1 x Relay Note: Light and different display settings may cause the color of the item in the picture to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.