The most simple way to connect and disconnect the starter and leisure batteries is by using a battery isolation or master onoff switchthis just uses a high current switch to manually connect the batteries in parallel once the engine is running and allow charge through to the leisure battery and then disconnect them once the engine is turned off to isolate them and. Step 1 purchase a leisure battery and wiring.

Mv 3517 Smartcom Relay Wiring Diagram Wiring Schematics And
Leisure battery wiring diagram. Like most things there is a right way and a wrong way of doing it and one that i receive emails about is how to connect two batteries in parallel and get even more people finding the site by asking the. 1 for a 3 pin 240v socket for charging 240v devices and another to power the batteries via the leisure battery charger. The problem with your leisure battery. The kit allows easy installation when used alongside the wiring diagram available on the website and contains all necessary cable for lighting and fridge installation. You can probably even lift the battery out and place it on the ground without. Self made van 70966 views.
Installing leisure battery and split charge relay duration. From this lay the wiring loom across the back of the bus routing from left to right. Since this article was published i have received a lot of questions about connecting batteries. Terry owen explains how to how to wire a leisure battery safely and attach multiple electrical devices to your caravans battery. Buying a leisure battery. How toconnect two batteries in parallel part 2 answers the questions asked the most.
A beginners guide to leisure battery charging and wiring. In addition to charging the leisure batteries from the engine and solar energy i also have a hook up facility. A typical campervan split charging system has a device that connects the battery used to start the engine to the leisure battery when the engine is running. Standard kit contents are. When your engine is switched off and the battery voltage drops below 128v the relay will isolate your leisure batterys from your main starter. You buy a new caravan and there are just two leads to the battery a positive and a negative.
The rcb i installed has 2 breakers. For example if a 3v and a 9v battery were wired in parallel the output voltage would be 6v 93 divided by 2 however the current will be total amperage of all. Unlike wiring batteries in series when batteries are wired in parallel the voltage does not increase the output voltage is the average voltage of all batteries in the circuit. A super simple wiring diagram on how a split charge device directs power towards the leisure battery one it has been engaged. The shore cable connects to the rcb. I have heard so many stories from people who thought that you could use any battery as a leisure battery which is an expensive mistake to make plus you will have wasted all that time and energy installing it.
The design of the bay window makes it ideal for a leisure battery install as there is a spare tray on the left hand side of the engine bay.