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Electric fence polywire

Solar Panel Energisers A solar panel energiser from Gemi Elettronica provides fully autonomous electric fence power in locations where mains connection is impractical and the labour cost of battery exchange is unacceptable. The photovoltaic panel continuously tops up the integrated or external… Read more

Solar Panel Energisers

A solar panel energiser from Gemi Elettronica provides fully autonomous electric fence power in locations where mains connection is impractical and the labour cost of battery exchange is unacceptable. The photovoltaic panel continuously tops up the integrated or external battery during daylight hours, maintaining energiser output indefinitely without manual intervention across spring, summer and autumn conditions in the UK. Gemi's pre-sale team advises on panel sizing based on your energiser model, geographic location and available sunlight hours, ensuring the panel can sustain the battery charge through winter periods with shorter days and lower solar irradiance levels.

How solar energisers work

A solar energiser combines a 12V energiser unit with a photovoltaic panel sized to replace the daily energy consumed by the fence pulse. The panel charges a sealed lead-acid or lithium battery during daylight, and the battery powers the energiser through the night and during overcast periods. Gemi's solar models are calibrated for northern European solar irradiance — not optimised for Mediterranean sunlight levels — ensuring reliable charging even on predominantly overcast British days.

Ideal applications

Solar energisers are the standard choice for moorland sheep grazing, woodland deer exclusion, remote fruit cage protection and any installation where the fence location changes seasonally. The absence of a cable run to the mains supply dramatically simplifies site planning, reduces installation cost and eliminates the permit requirements associated with external cabling in some planning contexts.

Maintenance-free operation

Beyond an annual check of panel cleanliness and terminal connections, Gemi solar energisers require no routine maintenance. The sealed battery is rated for several years of charge-discharge cycling before requiring replacement, and the panel itself carries a standard photovoltaic performance warranty covering output degradation over a ten-year period.

CE certified — UK delivery 24–48h

All Gemi solar energiser models are CE certified and carry a minimum 2-year manufacturer's guarantee. Order direct for factory pricing and UK delivery in 24–48h.

Questions and Answers
The Gemi electric fence - 100% Made in Italy - is used to ward off wild animals such as wild boars, deer, foxes, etc. The purpose of electric fences is to protect the territory from unsightly invasions. It is also used to contain animals such as cows, sheep, pigs etc. It has nothing to do with hunting. We have all the legal certificates available to produce and sell electric fences. This is the only legal solution for those who want to protect their plantations.
The electric fence for animals is neither dangerous for people nor for animals. As with everything, even for electric fences there is a standard that establishes the values ​​to be respected. The fence energiser is a product that emits intermittent pulses with a low amperage.
To create an electric fence for animals you need: a Gemi energiser - 100% Made in Italy - for fences that carries the current to the fence, an electrified conductor wire for the fence and insulators for electrified fences screwed on the posts to hold the wire.
The 6mm² thick electric wire for fences is suitable for wild boars and large animals. The wire for fencing has a tensile strength up to 100kg, 8 conductor wires and a dispersion of 0.15 ohm/m. The sling for electric fences is suitable for electric fences for horses.
We recommend planting the posts at a distance that depends on the characteristics of the ground; if the ground is flat, put one every 5/10 meters, if it is a windy or uneven area, put them closer together.
The 2.2 mm² fence wire is suitable for small animals and small electric fences. E.g.: Sheep, goats, porcupines, rabbits, wolves, dogs, cats, chickens, foxes, peacocks, turkeys, hare, moles, badgers, weasels, squirrels. The 4 mm² thick fencing wire is suitable for medium to large animals. E.g. breeding pigs, fallow deer, etc. The 6 mm² wire for animal enclosures has a leakage current of 0.15 ohm/mt, which makes it possible to fence several kilometers and is suitable for large animals. E.g.: Wild boar, deer, cows, mouflons, bears, etc.
Grounding is a fundamental thing for the functionality of the electric fence for animals, so it is recommended to do it correctly. To have the total discharge of current by the energiser, it is necessary to make the grounding by inserting 3 galvanized poles of 1 meter in the ground. They must be positioned 3 meters apart, 80 cm in the wet ground and 20 cm outside, and then connect them with the yellow cable. Together with the electric fence, we supply only 1 meter of cable that must be connected to the first pole. It is recommended to do it where there is the presence of vegetation, therefore a moist soil. Arid soil is not conductive. According to the tests carried out, placing 3 poles in any type of terrain, there will be no problem with functionality. If you put only one stake, the power of the current felt will be less than its range and the animals will be able to cross the fence.
For a B12 energiser it is sufficient to use a 12V 40Ah car battery. The autonomy, if there is no dispersion in the electric fence, is about 10/12 days. Otherwise it lasts less.
The wires inside the electric fence must be inserted according to the size of the animal. For small animals, the first wire inside the fence should be inserted 20 cm away from the ground, then just leave 20cm/30cm. For animals such as wild boars, the conductor wire for electric fences should be left 30 cm from the ground and so on. For large animals such as horses, cows, the common thread should be left at 60/80 cm from the ground.
If the current is far from the electric fence, for your Gemi energiser - 100% Made in Italy -, we have the high-voltage crossing cable that can work on the surface or underground, without discharging. With this cable it is possible to carry current on the fence, without any dispersion. The cable for electric fences can also be used to join two fences, then connect one end to a first fence and the other end to a second fence, when there is little distance between one fence and another.

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