![]() It must be remembered that as soon as you hook up the 240V the whole system is on charge. John to answer your question yes it can be charged that way, but its not good technical practice to have different AH batteries connected together, mind you no catastrophic meltdowns, just shortened lives of the batteries. My thinking is why have a 7AH battery when 3 feet away is 220AH? I just want to free up a small battery for another use. I cant see (other than this install instructions) where that battery has to be ON the unit. Is there any rules that will stop me from either option? Again, all that I can understand is that the system must be connected to a supply (battery) that will keep the brakes, and brake lights on for 15 mins on a hill. If I connect to the house batteries there is no need as these batteries are constantly on charge or conditioning cycles. If I choose to keep the 7AH battery with the breakaway system I will wire a small digital voltmeter inside the tug. I do wish they would get their acts together. ![]() Seems there is confusion, as usual, with the different state rules etc. My major question was whether I could remove the 7AH battery and re route the feed to the house batteries which are solar charged and 240V when connected, meaning that the breakaway system will have plenty of current to meet the requirements. It was flat when we started our last trip after a few months of no towing. but I am thoroughly confused by this thread and, in particular, the NSW RMS instruction/regulation.Īs I have said the breakaway battery is now charged from an independent charger when connected to 240V, other than the caravan 12 volt system. I do apologise for my long-winded and probably uninformed ramble. In the instructions that come with the Break-Safe system it states that should the charge of the 12v 7Ahr battery within the unit require charging then it should be connected to a " small battery charger ( 8 AMPS MAXIMUM) to the red and black terminals on the front of the Break-Safe box." The BOLD/CAPS emphasis is how Break-Safe (RVElectronics) show it in their instrutions. I understand that the van "house" battery is being maintained by solar charge (in Phil C's case) but can one 12V battery 'maintain the charge' of another 12V battery? I don't know, that is a genuine question. The Break-Safe system comes with its OWN battery (a 12v 7Ahr rechargeable) included within and it is stipulated quite clearly in the installation procedures for the Break-Safe system that it be wired so that the INCLUDED battery is to be charged ("energised") by connection to the vehicle's charging system.Īs an aside, I cannot see how the 12v 7Ahr rechargeable battery will have its charge maintained by being connected to the 12v van "house" battery. an energy source, such as a, battery carried on the trailer" the Break-Safe system is compliant Interestingly, NSW RMS states (extract shown below) that as long as there is ". Surely NSW is not THAT different from the rest of Australia ? The Break-Safe system will ONLY activate if the pin circled in this pic is removed from the black box. I would suggest, and am willing to be corrected, that " disconnecting the trailer wiring plug from the hauling unit" will NOT activate the Break-Safe system. This is snipped from the document in the link - from the testing procedures, it details. Have I misread the NSW RMS instructions contained in the link? OK I will leave the 7AH in the breakaway and buy a thumper. Interesting that they don't tell you that when you pick up the caravan. I bought a Ctek 5 amp charger so its fully charged and conditioned every time I hook up 240V. The first trip we went on I checked the battery after 4 months of no activity and it was as flat as a tack. I figured that I have one sitting on the breakaway system why not use it? ![]() Reason I asked this was that I wanted a cheap 7AH battery. I have fitted a suitable charger in the same space that charges the battery every time 240 volt power is connected to the van just for my peace of mind knowing there is at least a fair chance that the battery is functional and the unit able to do its job if required.Īll the same I worry enough about safety device functionality to include checking the battery condition as part of my pre-travel check list.Īh, that's exactly what I have been doing. If the registrations requirements in NSW necessitate that where a Breakaway system is fitted the Breakaway battery condition be able to be monitored from the tow vehicle, it is a bit difficult to see that this could mean anything other than the actual battery fitted to the Breakaway unit.Īll I know is that in my own van, a Jayco Sterling, that unit is fitted in a separate cupboard below the left wardrobe. ![]()
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