Ampper 12V 140Amp Dual Battery Isolator Kit, Voltage Sensitive Relay (VSR) Smart Isolator for Car, Vehicle, RV, ATV, UTV and Boat

Ampper 12V battery voltage sensitive Relay (VSR) dual battery isolator kit for car, vehicle, RV, ATV, UTV and boat. Specifications: 1, Design for two battery systems isolate and charge, it's all need to charge and isolate two batteries (SUITABLE for Acid-Lead batteries, NOT SUITABLE for Lithium batteries). 2, Allow to having two separate power sources while charging by one alternator. 3, Cuts in at 13.3 volts and cuts out at 12.8 volts. 4, Ensure your primary battery is always charged and ready to start your engine, the secondary will be charged after the primary battery's volts exceed 13.3 volts. 5, Heavy built to suitable for almost anywhere even off-road, which is water resistant, shock resistant, dust proof and withstand unexpected extreme weather environments. 6, Universal used for car, vehicle, RV, ATV, UTV and boat, also two battery electrical equipment. 7, VSR kit comes with all the pieces needed (battery cables, battery terminals, copper lugs, heat shrinks, cable ties) for a complete installation. Complete kits includes: 1 x voltage sensitive Relay (VSR). Red and black battery cables. 3 x battery terminals. 3 x copper lugs. heat shrinks. cable ties. 4 x bolts for install.

• Purpose: this voltage sensitive relay kit is design for two battery systems (SUITABLE for Acid-Lead batteries, NOT SUITABLE for Lithium batteries), allow to having two separate power sources while charging by one alternator, it's all need to charge and isolate two battery systems.
• Primary Battery Protected: cuts in at 13.3 volts and cuts out at 12.8 volts. Ensure your primary battery is always charged and ready to start your engine, the secondary will be charged after the primary battery's volts exceed 13.3 volts.
• Heavy Duty: this voltage sensitive relay kit is heavy built to suitable for almost anywhere even off-road, which is water resistant, shock resistant, dust proof and withstand unexpected extreme weather environments.
• Compatible: used for DC 12 V two battery systems isolate and charge, universal used for car, vehicle, RV, ATV, UTV and boat, also two battery electrical equipment.
• Easy to use: this VSR kit comes with all the pieces needed (battery cables, battery terminals, copper lugs, heat shrinks, cable ties) for a complete installation.