Electric fencing experts please?

[MyBoyChe]

I currently run my fence from one main fence across the middle of our field which runs off the mains and is very strong. It does limit the way I can do things though so am looking at running my own power source. What do I need? I have plastic posts, plenty of tape and handles. Fence will be attached to a wooden stake at one end and the handle will finish on a plastic post (wooden post will have one of the plastic rings screwed into it). So what do I need to provide a strong current through approx 200m of fencing please?

 

[s4sugar]

Any energiser will work for a single run of 200m.
I have a tiny one that is powered by a torch battery which I use for dividing paddocks or making tracks.