DEWINNER 12V 140Amp Dual Battery Isolator Kit ManualAuto Modes VSRVoltage Sensitive Relay Kit with LED Screen Voltage Display Designed for ATV UTV Boat RV Camper 5 Wheel Offroad Vehicle

Easy to Install No alternator or ignition connection neededYou dont need any additional components to complete installation as everything is included in the kit including leads connectors screws zip ties and more Voltage Sensitive Relay DEWINNER Automatic 140 Amp Dual Battery Isolator is all you need to charge Two Battery Systems Voltage Sensitive Relay VSR cuts in at 133 volts and cuts out at 128 volts to ensure your primary battery is always charged and ready to start your vehicle Its like having two separate power sources for each battery while only having one alternator Fits a Wide Variety of Vehicles Like Having Two Separate Power SourcesThe Dual Battery Isolator Kit Enables Your Accessories to Run From a Separate Battery While the engine is not running on your vehicle While keeping your Main Battery Charged and Your Vehicle Always Ready to Go and Start When You Want It Suitable for 12V 4WD marine truck caravan camping applications What You Get 140 Amp Voltage Display Battery Isolator 1 20 ft red battery cable 1 2ft black ground battery cable 2positive brass marine battery terminals 1 negative brass marine battery terminal 3copper crimp lugs 2 Red heat shrink1 Blue ring terminal 6cable tieseasytofollow instructions for the novice DIYer Power wire in power wire out Easy Buy With Confidence Every 140 Amp Dual Battery Isolator is backed by an industry leading 12month warranty If you are not 100 satisfied with your purchase simply take advantage of the No Questions Asked 30Day Money Back Guarantee