Re: Electric fence charger - how do I charge my battery, and how long will it last?
Hello, welcome to the forum!
First off, I don't have an electric fence personally, but I've seen plenty of them. Each brand is a little different, but I think the things I can state below should be almost identical for all brands:
- I think 100% of the ones I have seen are solar recharged... A small panel is mounted on a pole near the fence controller, like a 10"x12" panel or something like that
- The fence won't draw much power, and can stay mostly charged, as long as you keep any grass and veg away from the wires, or any other potential grounds (like bears). The more bears, the shorter the battery will last
- Wherever the wire crosses a pole, make sure there is an insulator to eliminate parasitic grounds there too. The wire must remain totally isolated (except for the occasional bear)
- The battery and leads should be inside a plastic box OFF THE GROUND that is well protected from water, high enough that it can't flood into the box in a big rain
- The box must NOT be totally sealed, when batteries charge they release explosive hydrogen gas, so it needs to vent a bit
- If the box is out of direct sun that can be nice too, batteries don't like lots of heat, but of course the panel needs to be facing the sun as much as possible
- The panel controller should have a charge controller, so it is not trying the overcharge the battery if it is full. If it overcharges frequently, it'll kill the lifespan of the battery
- Make sure the box is anchored, so a strong wind (or strong bear) can't just easily push it over and knock the battery leads off
Does that help?
USDA 6a, 8 frame equipment