This must be bolted to a good earth point. Bearing in mind that it is permanently linked to a caravan or motorhomes built in charger a leisure battery is also able to smooth out any irregularities in the supply received from this.
Split Charging Guide Caravans Campervans Motorhomes
How to install a leisure battery in a caravan. Its the battery well focus on here. Then locate the fuse box on the rear inner wheel tub. There is a special pack called an autark pack which is specifically built to allow the addition of a leisure battery but it is best to have this pack fitted by an engineer who is very familiar with the dometic unit as if it wrongly connected a new dometic unit is. The simplest way i can see of installing it is to find where the 12v comes in from the car and attaching the battery to that point but this probably wont allow me to charge whilst driving. On our early bay we found an existing factory drilled hole on the inner d post support and elected to. If you install a second battery in the caravan link the two together as shown in drawing two then connect the positive from your solar regulator to the positive on battery b and the negative from your solar regulator to the negative on battery a that way any voltage drops will be equal between the two batteries.
Note that if you are charging your batteries with the combined psucharger unit in the caravan this will only charge your batteries to approximately 80 of their total capacity if the unit has a maximum output voltage of 13. With the leisure battery in place install the auxiliary fuse box loom under the battery clamp nut. Your van is not wired for additional 12v leisure battery so it is pointless even thinking about wiring in to the 13 pin socket. If you have ever considered fitting lithium batteries to your caravan or motorhome this video is essential viewing. Next install the leisure battery earth lead. Provided you own a good quality leisure battery continual attention helps it stay in good shape.
The caravan products packages accessories series is a range of episodes. Although a key function of a leisure battery is to run 12v appliances it also performs a second important function. David the attached chart will give you an indication of the capacity remaining in the battery 6 hours after charging. I have bought a 15amp caravan battery charger 240v input 12v out and of course a 110 amp battery do i need anything else. Unfortunately caravan inactivity affects the condition of its tyres brakes couplings water systems and leisure battery. Leisure batteries two fold tasks.