Warranty & Service. Let’s face it, these electric fence energizers are electronic – at some point in time you will likely need service or repair. Find out where your unit can be repaired under warranty and beyond. Warranty periods will generally vary from 1 to 3 years. Some sellers of Energizers have their own service department, some do not.
How many ground rods does this energizer require? Grounding is very important to allow all energizers to perform at an optimum level. If your contact or sales person cannot answer that one question, then I would suggest you continue shopping elsewhere. In general, you will need about 3 feet of ground rod per output joule or by example: a 10 joule energizer will require around 30 feet of ground rod in the ground, or 5 each 6’ ground rods.
Does the unit have internal lightning protection? Most energizers will have at least 2 fuses. One for the input power side and one for the fence side. Some put one on the outside for easy replacement, some do not. Ask if you can replace the fuses yourself or if you have to send it in to have that done.
Don’t skimp on the price of your energizer! Considering all the costs of your electric fence system – the energizer is at the lower end, regarding costs per foot. A great energizer will likely come in at less than a penny a foot. But, there is always that mental block of spending $300 or $600. You will be wise to spend the $600 to get dependability and performance. Personally, I am pro “Buy American”. But after years of working with and observing electric fencing I highly value the benefits of New Zealand made Energizers. The big four are: Gallagher, Stafix, Pel, and Speedrite and they are hard to beat. All of these units are made to use and made to last. I have seen barn walls full of abandoned $100 energizers !!