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 the sound 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 efficiently. 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: 10-16 Draws Less Than 1 Amp When On Item: 200A Relay Voltage: DC24V Color: Silver Material: Metal Package Contents: 1 x Relay Only the above package content, other items are not included. Note: Light and different displays may cause the color of the item to appear slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.