1.Flexible and easy to use 2. New and nice quality, easy to use. 3. Built to strict quality control standards. Not easy to damage, long service life 4. Stable performance, high reliability. A perfect replacement for your old ones 5. Made of high quality material, for use. Product Parameters: Voltage: 12V Maximum working current: 50A Peak current: 70A Current consumption - load: 150MA Current consumption - standby: 1.5MA Insertion voltage: 13.2V Cut-off voltage: 12.8V Detachment time: 15 seconds Protection level: resistant protection Principle of use: The VSR connects and disconnects the auxiliary battery and the starter battery according to the current charge level. When the engine is running, when the starter battery reaches 13.2 volts, the VSR will start after 15 seconds and the LED indicator will light up. This means that both batteries are connected and the system is working. Once the vehicle's system has shut down, it will disconnect both batteries after another 15 seconds when