Features: This intelligent voltages sensitive relays automatically switches charging between main and batteries to prevent overcharging or undercharging, ensuring efficient power management for your vehicle. Featuring a high output capacity of 140A and an LCD display for real time voltages monitoring, this battery isolator offer robust performances with ABS plastic casing for easy installation. Ideal for motorhome owners, campers, boaters, and off road enthusiasts who need reliabled battery management during their adventures. Perfect for use in camping trips, motorhome travels, boating excursions, and off road conditions to power devices like refrigerators and sound systems without interruption. With advanced contact materials reducing energy loss by 20%, this smart battery separator enhances efficiency and extends battery life in demanding environments. Specifications: Type: two battery isolator Component: plastic Size:Approx.67x54x67mm/2.63x2.12x2.63inch Color: black Nominal voltages: 12V Combined voltages: 13.3V Open circuit voltages: 12.8V Continuous rating: 125A Intermittent rating: 140A Power consumption: 10mA (standby) / 330mA (engagement) / 0mA (storage) Package Includes: 1 Set 140A Battery Isolator note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.