12V 140A Adjustable Dual Battery Isolator Split Charge Dual Battery Smart Isolator LCD Display Voltage Setting For Camper Car RV Adjustable Voltage Dual Battery Isolator 12V 140Amp VSR for All types of Lithium & Lead-acid Battery Upgraded KEY Features: Display Voltage of Both Main&Leisure Battery The Upgraded Dual Battery Isolator has a built-in display screen. After connecting the battery, the display screen will display the voltage of MAIN Battery and Leisure Battery, the voltage display range is 4.5V-20V. Voltage Setting Function Efficient voltage management allows you to freely adjust the CUT-IN/CUT-OUT voltage for different types of batteries. The adjustable voltage range for the main battery is 11.0V-14.0V. Fit All types of Battery -- Fit for Lithium Battery, Lead-acid Battery, AGM Battery etc.. Delay Setting Function The new delay function avoids frequent switching on and off of the isolator due to unstable current, which prolongs the isolator and battery life. Delay time range is 3s-60s, with a recommended delay time of 15s. Manual/Automatic Modes This 3rd generation battery isolator also combines both automatic and manual modes. You can switch between any mode to suit your needs. 12-MONTH Warranty We have exquisite craft, strict quality control along with excellent after-sales service. That is why our products are worthy of your purchase.