12V 140A Dual Battery Isolator With Voltage Sensitive Relay And Digital Voltmeter Auto Manual Charger Disconnect Smart VSR To Keep Your Starting Battery Charged For Truck RV UTV Boat And Can Am

12V 140A Dual Battery Isolator with VSR and Voltmeter
✔️ Dual battery isolation, VSR auto charge, real-time voltage display

This dual battery isolator keeps your starting battery charged while letting you run accessories from a separate auxiliary battery. It's designed for use in trucks, RVs, caravans, boats, ATVs, UTVs and Can Am setups.

✅ IP66 waterproof rating withstands dust, water, and vibrations
✅ 12V system supports two batteries from a single alternator
✅ Voltage Sensitive Relay engages at 13.3V and cuts out at 12.8V
✅ Real-time LED voltage display shows current battery status
✅ Includes mounting hardware for quick install

💡 What is a 12V dual battery isolator with VSR and voltmeter used for in vehicles and boats?

These devices help manage two batteries from one alternator so your starting battery stays charged. - Dual battery setup lets you run accessories from a secondary battery - Voltage sensitive relay automatically keeps the two batteries balanced - Real-time voltmeter shows current status at a glance ✝️