The 200 AMP Isolator is the perfect solution when adding a secondary battery to your audio system. It allows the second battery to be fully dedicated to the stereo system 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. This ensures your battery will be isolated with confidence. Mobile Audio Relay and Battery Isolator. Great for isolating a second battery, making it dedicated to the stereo system. 200 Amps at Continuous Power Handling. 300 Amps Surge Power Handling. Switching Power: 10-16V. Draws Less Than 1 Amp When On. Item: 200A Relay. Voltage: DC 24V. Color: Silver. Material: Metal. Package Contents: 1 x relay. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.