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
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
DOUBLE SLAT GLOSS BLACK KIDNEY GRILLE For BMW 5 SERIES G30 G31 2017 2018 TWIN UK. Universal Lockable Aluminium Car Roof Rack Bars No Rail Anti Theft Carrier 105CM. For BMW E90 3 Series Saloon 2005-11 Rear Boot Trunk Spoiler Lip Wing Gloss Black.
eBay
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.
eBay
Grab a bargain here. However, circumstances changed and the project did not happen. So this lot just sat in a cupboard.
eBay
The relay will switch on at 13.3volts and switch off at 12.65volts and is indicated on with a red LED.
eBay
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
1x VSR with fitting hardwares. For 12V Leisure Battery Capacity up to 220AH. Designed for dual battery systems. CE Certified. IATF16949-2016 Certified.
eBay