Dual Battery Isolator 12V 140Amp Voltage Sensitive Relay VSR Compatible with UTV Marine Car RV Boat Truck Trailer ATV Camper Moto Not Fit for Lithium Batteries

FunctionSmart battery isolator cuts in at 133 volts and cuts out at 128 volts to ensure your primary battery is always charged and ready to run your vehicle Car battery isolator allows parallel charging of both batteries Secure EffectiveThe 12 volt battery isolator is made from high quality materials and its interior is sealed with silicone enabling it to endure extreme conditionsIP65 waterproof rating helps smart battery isolator perform well in extreme environments Wide CompatibilityThis 12v battery isolator is small and suitable for almost anywhere for ATV UTV Boats RV marine vehicle truck and caravan 140amp battery isolator is very usefu for storing sports cars and trailers to protect batteries from drained Emergency ConditionThe VSR can reverse charge For example when the main battery is out of power connect the circuit the auxiliary battery can charge the main one in reverse When connecting accessories to your second battery ensure they are fused within 098FT Aftersales ServiceWe have exquisite craft strict quality control along with excellent aftersales service That is why our products are worthy of your purchase