10 bestDual Battery Isolator Kitof January 2026
112M consumers helped this year.
8% off
1
Heart Horse 6m Split Charge Relay Kit,12V 140 Amp Smart Dual Battery Isolator Kit with Led Voltmeter Manual/Auto Mode IP68 Waterproof Voltage Sensitive Relay VSR Kit for Truck ATV UTV RV Boat
Heart Horse
10.0
2
5M 12V 140 Amp Split Charge Relay Kit, VSR Smart Dual Battery Isolator Battery Automatic Disconnect Switch, Voltage Sensitive Relay Kit with LED Screen Display for Campervan SUV ATV RV Boat Vehicles
BURNTOP
10.0
3
Heart Horse 3m Split Charge Relay Kit,12V 140Amp Smart Dual Battery Isolator Kit Manual/Auto Modes VSR-Voltage Sensitive Relay Kit with LED Screen, Voltage Display for Truck,SUV,RV,ATV,UTV,Boat
Heart Horse
9.9
4
Blue Sea Systems 7650 Add-A-Battery Kit
Blue Sea Systems
9.7
5
3m Split Charge Relay Kit 12v 140amp Leisure Battery Kit Voltage Sensitive Relay VSR Smart Dual Battery Isolator Kit for camper auto van
UCkasayfy
9.5
OtherUp to 33% off
Blue Sea Systems Add-A-Battery Kit
Victron Energy Cyrix-ct 12/24-Volt 120 amp Intelligent Battery Combiner
12V 140 Amp Dual Battery Smart Isolator & ATV UTV Wiring Kit by KeyLine Chargers - Voltage Sensitive Relay - VSR
5M Split Charge Relay Kit, 12V 140Amp Smart Dual Battery Isolator, Manual/Auto Modes Voltage Sensitive Relay Kit, IP68 Waterproof, Voltage Display for Campervan Van Truck SUV RV ATV UTV Boat
6
UCkasayfy Adjustable Dual Battery Isolator 12V 140Amp Voltage Sensitive Relay Voltage Setting VSR Compatible with RV Marine Car Vehicle Truck Caravan Off-road Camper Yacht ATV UTV Boats
UCkasayfy
9.2
7
12V 140 Amp Split Charge Relay VSR Smart Dual Battery Isolator, Automatic Disconnect Switch, Voltage Sensitive Relay Kit with LED Screen Display for Campervan Van Truck SUV RV ATV UTV Boat
CHAMSUREUK
9.0
8
Split Charge Relay Kit with LED Screen Display, Smart Dual Battery Isolator Kit 12V 140Amp, Voltage Sensitive Relay kit, for Car, Caravan, Off-road, Truck, SUV, RV, ATV, UTV, Boat
JAOGAUS
8.8
9
GEARCELL 5M 12V 140A Split Charge Relay Kit, Dual Smart Battery Isolator & 16mm 110amp Cable, VSR Voltage Sensitive Relay System for ATV, RVs, Trucks, Motorhomes, Boats
GEARCELL
8.5
10
5m Split Charge Relay Kit, 12v 140Amp Smart Dual Battery Isolator, Voltage Sensitive Relay Kit with LED Screen Display for Campervan Van Truck SUV RV ATV UTV Boat
Sofofux
8.2
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