Camper trailer battery

The second battery is further away lol, sorry !! we have almost the same setup only we use seperate wire 6mm to an anderson plug then to Arrid twin charger. Wasn't trying to be smartar@# but hey only diff i know.

Baz.

Vince,
with your currnt set up, if the trailer is left connected to the car when parked there is the chance of draining the starting battery. The second issue is that most of the "smart" battery controllers will not start charging the aux battery untill the main battery is fully charged.
Regards
Bob A

Not a lot wrong I'd suggest - BUT your setup is unmanaged IMO - as I see it, that when you start your car, the alternator should top up the car's battery first (yours would try and do both). Also, when you stop, if you don't manually disconnect, you drain from both. The fancy gizmos you mention take care of these contingencies. Not essential though, but worthwhile for me - allows you to attend to the essentials (like beer, wine and spirits).

snip>Am I getting the best out of the battery on the trailer with this set up ?<

Other then how its connected , via the trailer plug , not a lot wrong.

Mine is essentially the same.

I however use a Redarc Isolator , and an Anderson Plug from vehicle to trailer.

No help with the battery, but I have the Friday arvo blues. Sitting here wishing I was in the bush as well. Roll on 5 o'clock.

Vince,

You have essentially the same set up as me and I have had no problems with mine, only run a few lights from the trailer though.

The big difference is that I have dual battery set up in the car and the trailer battery is connected to the auxilary. The fridge stays int eh car and runs from the aux.

I copied my set up from my next door neighbour, who had travelled more of this great country than anyone else I have ever met. About two weeks before he left on a trip he would put the acid back in the trailer battery and hook up to a charger until the day he left. On returning home he would drain the battery and store it dry until next time. Now that is a bit excessive for me but he claimed it was the best way to ensure good life from the trailer battery.

Happy Trvelling
Duncs

You really need an isolator between main battery & camper battery to stop it draining start battery. You can get an isolator for as little as $80 or as much as you want to spend