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|||Firstly, you need to make sure that the system is operated at the same voltage as a car battery, which is 12V. Second you need to be careful when connecting the system, because of the heavy current that can be produced by a car battery. The leads should be clamped in place. As to protecting the battery it is best to cover it to avoid the battery shorting out, you can do this best by putting in a plastic box or if that is too difficult a thick plastic bag will do temporarily.|||Agricultural shops here sell portable electric fence units for about $100 NZD. This unit attaches to the electric tape/wire. It has the battery attachments, plus a separate wire that needs earthing (I normally attach mine to a metal stake that is in the ground - this works fine unless it is very dry and the stake needs to be quite deep in the ground for sufficient earthing). No need to cover unit or battery. The portable unit is about 15cm square by 20cm deep (light plastic).
Just re read your question. Yes I once had a small one that took 6 batteries and I just hooked this to a car battery - I thought it may burn out the small unit, but it worked fine.|||If the battery's in the pack you have is the same voltage and ampage,yes,and also yes the car battery will need covering
say with a plastic bag with holes so as to let battery gas
escape.|||you can use a car battery but a caravan battery is better.
car batteries are not meant to be run down and rechared over and over, but caravan batteries can.|||If the fence is 12volt yes and keep it covered.And make sure it's connected to the pulse unit, not direct on to the wire fence.|||Car batteries operate at 12 volts, whereas most electric fence batteries are 6 VOLTS, or a Lantern battery. Your system was designed to operate on a 6 volt, from the sound of it, and this is why a 12 volt car battery will not fit, or work, with it. Yes, you need to protect the battery and shield it from rain and the elements, or you will short out your fence quickly the first time there is a thunderstorm or heavy rain. Also, protecting the battery prolongs its life and helps to prevent uneven voltage surges during wet weather. We have an electric fence converter in our barn office which runs on standard house current- it's wired into the barn's electrical grid, and works just fine. It converts the house current into D/C, or direct current, at a level that is just strong enough to give a good shock to any horse foolish enough to lean on the hot wire inside the fences. I have seen other electric fence systems, though, and those with batteries almost always have a cover of some type for the battery. Battery covers are also available at most feed and hardware stores- just ask for one if you can't find one on your own.
I don't recommend attaching a car battery to your system because your system isn't designed to operate at that voltage level, and it will either short out, or it could hurt your horses, AND there is a potential risk of FIRE from overheating. Running too much wattage or power through a line that isn't designed for such a purpose is asking for trouble from one of these things. Another thing to consider- car batteries can explode if they freeze or are otherwise exposed to the elements, and then have a current demand placed on them. That's why it's not a good idea to try to jump a car which won't start in freezing weather, because there is a considerable risk of explosion from one or both batteries involved.
Get yourself a lantern battery- they aren't hard to come by. That's what I would do, in your case. Good luck.
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