Inverters should only ever be installed to your leisure batteries and never to your vehicle starter battery as you could drain your starter battery and leave your vehicle. Detailed 12v inverter battery wiring guide campervan motorhome rv boat.
Split Charge Relay Kit 12v Durite 140amp
Campervan leisure battery wiring diagram. Wiring up your camper van can be very daunting at first however if you follow some simple rules it can be just as easy as wiring up a normal household plug. A leisure battery is a 12 volt battery similar in appearance to your vehicles main starter battery. Cycle life the life span of a battery how long it will last is mostly defined by the number of cycles in a similar way that mileage defines the life cycle of cars. I struggled to find this information online so as i was wiring up my campervan i decided to put a video together of how i wired it up and what methods and parts i used. Inside a split charge relay there is a solenoid coil that energises once it receives a 12v signal. It will be easier to do the wiring and connections as everything is going to be in close proximity to each other.
The remainder of the diagram shows the set up of the output components. A typical 12v campervan split charge wiring diagram that connects the starter battery to the leisure battery. Cabling is run between the leisure batteries fuses switches and components as detailed above. A leisure battery is an essential part of a campervan electrical system. It is used to store all generated power for 12 volt appliances and equipment in a campervan. 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.
We now need to work out what amps this inverter will draw from the 12v leisure batteries. I have used this as an example as it is the most difficult one do anything smaller or with less switches just gets. But typically a campervanrv battery cycles once per day because of solar power. Below is a diagram that shows a typical installation of a 240v panel. In the diagram above ive indicated the output to the smart relay and the isolator from the leisure batteries as explained a little earlier. Campervan electrics diy a simple guide to fitting a leisure battery to your campervan conversion what is a leisure battery.
This campervan wiring post is a detailed installation guide for your 12v elctrical set up with a wiring diagram list of tools materials. These batteries are specially designed to provide a steady level of power over a prolonged period.
Gallery of Campervan Leisure Battery Wiring Diagram
