About this item: Intelligent: 150 amp high current, 12V/24V universal voltage, LED display can monitor the voltage of two batteries in real time, equipped with an emergency button, if the engine cannot start when the main battery is dead, just press the emergency button to turn on the auxiliary battery and start the engine Applicable to lithium batteries: The dual battery isolator adds a lithium battery connection cable, so it can be applied to vehicles equipped with lithium batteries to maintain the stable performance of the car battery, the product has 4 mounting holes for easy installation Full coverage: The dual battery isolators ensure that the main battery is always charged and ready to start the vehicle, just like your vehicle has two independent power sources for each battery and a single alternator Wide range of applications: The battery isolation kit is designed to be and exquisite, does not take up space and is compatible with a variety of vehicles, such than 12V/24V