Suitable for most 12V charging systems- Surge protection. Dual Battery Isolators also feature surge protection and a L.E.D indicator designed to alert the user when the unit is engaged. When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery.
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DC 12V 24V 100A 120A 200A WM686 Relay 4 Pin Normal Open Car Starter Relay For Battery ON/OFF Split Charge Relay Switch
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
Voltage Protector Socket AC 220V Adjustable and Fixed 16A Voltage Protector Socket Voltage Safety Refrigerator
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 Detector Smart Non-Contact Voltage Tester Pen Meter 12-1000V Current Electric Sensor Test Pencil Voltage Indicator
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
0V-3800V IGBT Voltage Capability Transistor Tester Diode MOS Triode LED Voltage Capability MOV Withstand Voltage Tester
Aliexpress UK
Simply connect the relay between your starter battery and leisure battery and the relay takes care of everything, making sure your starter battery is not drained for when you need to get going again.
eBay
T02A Voltage Detector Smart Non-Contact Voltage Tester Pen Meter 12-1000V Current Electric Sensor Test Pencil Voltage Indicator
Aliexpress UK
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. So it does not drain your main starter battery and you will always be able to start your vehicle.
eBay
0-3800V IGBT Tester Transistor Voltage Tester Diode MOS Triode MOV LED 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
Household Voltage Regulator Automatic Voltage Stabilizer 120V-270V Output 220V Single-phase Voltage Regulator
Aliexpress UK
Maximum solar input current: 20A. 1 x 500mm RED 70amp READY MADE cable Relay to fuse holder lead. 2 x 250mm RED 70amp READY MADE cable from Battery to fuse holder lead. 2 x MTA MIDI Fuse holders. The kit includes everything you need for setup dual battery charging system .
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GEYA GPS6 Din Rail Adjustable Over Voltage Under Voltage Protection Device 40A 63A 80A 220VAC Digital Display Voltage Protector
Aliexpress UK