These are by far the most popular option in the UK.
The ability to recharge the 12v battery for year after year makes this type of energiser very economical to use.
12 volt energisers come in a wide range of power out puts to suit every requirement.
It is very important that the energiser is matched to the job it has to do a weak fence is not effective.
Look at the joules (j) stated in the text basically the higher the joules the more "shock" on the fence
Solar panels can be used to recharge the 12v battery that is running the energiser they can greatly reduce the about of times it is necessary to take the 12v battery to be recharged. Please see our SOLAR section for more information.
Click below for more information on 12v batteries
FAQ 12v Batteries