Dual Battery Isolators also feature surge protection and a L.E.D indicator designed to alert the user when the unit is engaged. - Suitable for most 12V charging systems- Surge protection. When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery.
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B20 LCD Digital Voltage Tester Double Head Screwdriver AC 30V-1000V Voltage Detector NCV Voltage Electrical Induction Test Pen
Aliexpress UK
Built-in LED indication (lights up when VSR starts). When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery. So it does not drain your main starter battery and you will always be able to start your vehicle.
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HT89 AC 12V-300V voltage detector pen, continuous testing intelligent voltage indicator, intelligent voltage tester pen
Aliexpress UK
Tri_rated cable is also designed for use inside small electrical devices. As a result, tri-rated cable has applications in most industries. 2x midi fuse holders. Red and Black heat shrink to protect your cables and connectors.
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Voltage Transmitter 0-1000V to 4-20mA RS485 AC Voltage Transducer 0 10V DC Voltage Signal Sensor Transducer Transmitter
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When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery. So it does not drain your main starter battery and you will always be able to start your vehicle.
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BX100 1-8S Lipo Battery Voltage Tester/ Low Voltage Buzzer Alarm/ Battery Voltage Checker with Dual Speakers
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It simply connects between the two batteries. The relay is connected between the vehicles main battery (Positive) and the leisure battery (Positive). The most important part of the circuit are the fuses!
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T-02A Non-Contact Voltage Detector Electrical Tools Voltage Indicator Tester Pen Voltage Test Smart Breakpoint Finder 12-1000V
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160A Max rated. Max Current Load: 160A. Suitable for 12v Split Charging systems. Continuously monitors the charging rate of the alternator to make sure your leisure battery is maintained in optimum condition.
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DC 50-3700V IGBT Voltage Capability Transistor Tester Diode MOS TriodeLED Voltage Capability Transistor Withstand Voltage Tester
Aliexpress UK
When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery. So it does not drain your main starter battery and you will always be able to start your vehicle.
eBay
Voltage Meters Current Voltage Capacity Battery Tester USB Volt Current Voltage Doctor Charger Capacity Tester Meter Power Bank
Aliexpress UK
Built-in LED indication (lights up when VSR starts). When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery. So it does not drain your main starter battery and you will always be able to start your vehicle.
eBay
Non-Contact Voltage Detector Electrical Tools Voltage Indicator Tester Pen AC Voltage Test Smart Breakpoint Finder 12-1000V
Aliexpress UK